389776640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 288

約数和(自身を含む): 1130250240

約数和(自身を除く): 740473600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 47, 55, 62, 64, 76, 80, 88, 94, 95, 110, 124, 128, 152, 155, 160, 176, 188, 190, 209, 220, 235, 248, 256, 304, 310, 320, 341, 352, 376, 380, 418, 440, 470, 496, 517, 589, 608, 620, 640, 682, 704, 752, 760, 836, 880, 893, 940, 992, 1034, 1045, 1178, 1216, 1240, 1280, 1364, 1408, 1457, 1504, 1520, 1672, 1705, 1760, 1786, 1880, 1984, 2068, 2090, 2356, 2432, 2480, 2585, 2728, 2816, 2914, 2945, 3008, 3040, 3344, 3410, 3520, 3572, 3760, 3968, 4136, 4180, 4465, 4712, 4864, 4960, 5170, 5456, 5828, 5890, 6016, 6080, 6479, 6688, 6820, 7040, 7144, 7285, 7520, 7936, 8272, 8360, 8930, 9424, 9823, 9920, 10340, 10912, 11656, 11780, 12032, 12160, 12958, 13376, 13640, 14080, 14288, 14570, 15040, 16027, 16544, 16720, 17860, 18848, 19646, 19840, 20680, 21824, 23312, 23560, 24320, 25916, 26752, 27280, 27683, 28576, 29140, 30080, 32054, 32395, 33088, 33440, 35720, 37696, 39292, 39680, 41360, 43648, 46624, 47120, 49115, 51832, 53504, 54560, 55366, 57152, 58280, 60160, 64108, 64790, 66176, 66880, 71440, 75392, 78584, 80135, 82720, 87296, 93248, 94240, 98230, 103664, 109120, 110732, 114304, 116560, 128216, 129580, 132352, 133760, 138415, 142880, 150784, 157168, 160270, 165440, 186496, 188480, 196460, 207328, 218240, 221464, 228608, 233120, 256432, 259160, 267520, 276830, 285760, 304513, 314336, 320540, 330880, 372992, 376960, 392920, 414656, 436480, 442928, 466240, 512864, 518320, 553660, 571520, 609026, 628672, 641080, 661760, 753920, 785840, 829312, 885856, 932480, 1025728, 1036640, 1107320, 1143040, 1218052, 1257344, 1282160, 1522565, 1571680, 1658624, 1771712, 1864960, 2051456, 2073280, 2214640, 2436104, 2514688, 2564320, 3045130, 3143360, 3543424, 4102912, 4146560, 4429280, 4872208, 5128640, 6090260, 6286720, 7086848, 8293120, 8858560, 9744416, 10257280, 12180520, 12573440, 17717120, 19488832, 20514560, 24361040, 35434240, 38977664, 48722080, 77955328, 97444160, 194888320, 389776640]

約数ペア:

[(1, 389776640), (2, 194888320), (4, 97444160), (5, 77955328), (8, 48722080), (10, 38977664), (11, 35434240), (16, 24361040), (19, 20514560), (20, 19488832), (22, 17717120), (31, 12573440), (32, 12180520), (38, 10257280), (40, 9744416), (44, 8858560), (47, 8293120), (55, 7086848), (62, 6286720), (64, 6090260), (76, 5128640), (80, 4872208), (88, 4429280), (94, 4146560), (95, 4102912), (110, 3543424), (124, 3143360), (128, 3045130), (152, 2564320), (155, 2514688), (160, 2436104), (176, 2214640), (188, 2073280), (190, 2051456), (209, 1864960), (220, 1771712), (235, 1658624), (248, 1571680), (256, 1522565), (304, 1282160), (310, 1257344), (320, 1218052), (341, 1143040), (352, 1107320), (376, 1036640), (380, 1025728), (418, 932480), (440, 885856), (470, 829312), (496, 785840), (517, 753920), (589, 661760), (608, 641080), (620, 628672), (640, 609026), (682, 571520), (704, 553660), (752, 518320), (760, 512864), (836, 466240), (880, 442928), (893, 436480), (940, 414656), (992, 392920), (1034, 376960), (1045, 372992), (1178, 330880), (1216, 320540), (1240, 314336), (1280, 304513), (1364, 285760), (1408, 276830), (1457, 267520), (1504, 259160), (1520, 256432), (1672, 233120), (1705, 228608), (1760, 221464), (1786, 218240), (1880, 207328), (1984, 196460), (2068, 188480), (2090, 186496), (2356, 165440), (2432, 160270), (2480, 157168), (2585, 150784), (2728, 142880), (2816, 138415), (2914, 133760), (2945, 132352), (3008, 129580), (3040, 128216), (3344, 116560), (3410, 114304), (3520, 110732), (3572, 109120), (3760, 103664), (3968, 98230), (4136, 94240), (4180, 93248), (4465, 87296), (4712, 82720), (4864, 80135), (4960, 78584), (5170, 75392), (5456, 71440), (5828, 66880), (5890, 66176), (6016, 64790), (6080, 64108), (6479, 60160), (6688, 58280), (6820, 57152), (7040, 55366), (7144, 54560), (7285, 53504), (7520, 51832), (7936, 49115), (8272, 47120), (8360, 46624), (8930, 43648), (9424, 41360), (9823, 39680), (9920, 39292), (10340, 37696), (10912, 35720), (11656, 33440), (11780, 33088), (12032, 32395), (12160, 32054), (12958, 30080), (13376, 29140), (13640, 28576), (14080, 27683), (14288, 27280), (14570, 26752), (15040, 25916), (16027, 24320), (16544, 23560), (16720, 23312), (17860, 21824), (18848, 20680), (19646, 19840)]