990198528

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 288

約数和(自身を含む): 3139584000

約数和(自身を除く): 2149385472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 31, 32, 33, 38, 44, 48, 57, 62, 64, 66, 76, 88, 93, 96, 114, 124, 128, 132, 152, 176, 186, 192, 199, 209, 228, 248, 256, 264, 304, 341, 352, 372, 384, 398, 418, 456, 496, 528, 589, 597, 608, 627, 682, 704, 744, 768, 796, 836, 912, 992, 1023, 1056, 1178, 1194, 1216, 1254, 1364, 1408, 1488, 1592, 1672, 1767, 1824, 1984, 2046, 2112, 2189, 2356, 2388, 2432, 2508, 2728, 2816, 2976, 3184, 3344, 3534, 3648, 3781, 3968, 4092, 4224, 4378, 4712, 4776, 4864, 5016, 5456, 5952, 6169, 6368, 6479, 6567, 6688, 7068, 7296, 7562, 7936, 8184, 8448, 8756, 9424, 9552, 10032, 10912, 11343, 11904, 12338, 12736, 12958, 13134, 13376, 14136, 14592, 15124, 16368, 17512, 18507, 18848, 19104, 19437, 20064, 21824, 22686, 23808, 24676, 25472, 25916, 26268, 26752, 28272, 30248, 32736, 35024, 37014, 37696, 38208, 38874, 40128, 41591, 43648, 45372, 49352, 50944, 51832, 52536, 53504, 56544, 60496, 65472, 67859, 70048, 74028, 75392, 76416, 77748, 80256, 83182, 87296, 90744, 98704, 103664, 105072, 113088, 117211, 120992, 124773, 130944, 135718, 140096, 148056, 150784, 152832, 155496, 160512, 166364, 181488, 197408, 203577, 207328, 210144, 226176, 234422, 241984, 249546, 261888, 271436, 280192, 296112, 310992, 332728, 351633, 362976, 394816, 407154, 414656, 420288, 452352, 468844, 483968, 499092, 542872, 560384, 592224, 621984, 665456, 703266, 725952, 789632, 814308, 829312, 840576, 937688, 967936, 998184, 1085744, 1184448, 1243968, 1289321, 1330912, 1406532, 1451904, 1579264, 1628616, 1658624, 1681152, 1875376, 1996368, 2171488, 2368896, 2487936, 2578642, 2661824, 2813064, 2903808, 3257232, 3750752, 3867963, 3992736, 4342976, 4737792, 4975872, 5157284, 5323648, 5626128, 6514464, 7501504, 7735926, 7985472, 8685952, 10314568, 10647296, 11252256, 13028928, 15003008, 15471852, 15970944, 17371904, 20629136, 22504512, 26057856, 30006016, 30943704, 31941888, 41258272, 45009024, 52115712, 61887408, 82516544, 90018048, 123774816, 165033088, 247549632, 330066176, 495099264, 990198528]

約数ペア:

[(1, 990198528), (2, 495099264), (3, 330066176), (4, 247549632), (6, 165033088), (8, 123774816), (11, 90018048), (12, 82516544), (16, 61887408), (19, 52115712), (22, 45009024), (24, 41258272), (31, 31941888), (32, 30943704), (33, 30006016), (38, 26057856), (44, 22504512), (48, 20629136), (57, 17371904), (62, 15970944), (64, 15471852), (66, 15003008), (76, 13028928), (88, 11252256), (93, 10647296), (96, 10314568), (114, 8685952), (124, 7985472), (128, 7735926), (132, 7501504), (152, 6514464), (176, 5626128), (186, 5323648), (192, 5157284), (199, 4975872), (209, 4737792), (228, 4342976), (248, 3992736), (256, 3867963), (264, 3750752), (304, 3257232), (341, 2903808), (352, 2813064), (372, 2661824), (384, 2578642), (398, 2487936), (418, 2368896), (456, 2171488), (496, 1996368), (528, 1875376), (589, 1681152), (597, 1658624), (608, 1628616), (627, 1579264), (682, 1451904), (704, 1406532), (744, 1330912), (768, 1289321), (796, 1243968), (836, 1184448), (912, 1085744), (992, 998184), (1023, 967936), (1056, 937688), (1178, 840576), (1194, 829312), (1216, 814308), (1254, 789632), (1364, 725952), (1408, 703266), (1488, 665456), (1592, 621984), (1672, 592224), (1767, 560384), (1824, 542872), (1984, 499092), (2046, 483968), (2112, 468844), (2189, 452352), (2356, 420288), (2388, 414656), (2432, 407154), (2508, 394816), (2728, 362976), (2816, 351633), (2976, 332728), (3184, 310992), (3344, 296112), (3534, 280192), (3648, 271436), (3781, 261888), (3968, 249546), (4092, 241984), (4224, 234422), (4378, 226176), (4712, 210144), (4776, 207328), (4864, 203577), (5016, 197408), (5456, 181488), (5952, 166364), (6169, 160512), (6368, 155496), (6479, 152832), (6567, 150784), (6688, 148056), (7068, 140096), (7296, 135718), (7562, 130944), (7936, 124773), (8184, 120992), (8448, 117211), (8756, 113088), (9424, 105072), (9552, 103664), (10032, 98704), (10912, 90744), (11343, 87296), (11904, 83182), (12338, 80256), (12736, 77748), (12958, 76416), (13134, 75392), (13376, 74028), (14136, 70048), (14592, 67859), (15124, 65472), (16368, 60496), (17512, 56544), (18507, 53504), (18848, 52536), (19104, 51832), (19437, 50944), (20064, 49352), (21824, 45372), (22686, 43648), (23808, 41591), (24676, 40128), (25472, 38874), (25916, 38208), (26268, 37696), (26752, 37014), (28272, 35024), (30248, 32736)]