1999285728

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:601

約数の個数: 192

約数和(自身を含む): 5962844160

約数和(自身を除く): 3963558432

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 66, 88, 93, 96, 124, 132, 157, 176, 186, 248, 264, 314, 341, 352, 372, 389, 471, 496, 528, 628, 682, 744, 778, 942, 992, 1023, 1056, 1167, 1256, 1364, 1488, 1556, 1727, 1884, 2046, 2334, 2512, 2728, 2976, 3112, 3454, 3768, 4092, 4279, 4668, 4867, 5024, 5181, 5456, 6224, 6908, 7536, 8184, 8558, 9336, 9734, 10362, 10912, 12059, 12448, 12837, 13816, 14601, 15072, 16368, 17116, 18672, 19468, 20724, 24118, 25674, 27632, 29202, 32736, 34232, 36177, 37344, 38936, 41448, 48236, 51348, 53537, 55264, 58404, 61073, 68464, 72354, 77872, 82896, 96472, 102696, 107074, 116808, 122146, 132649, 136928, 144708, 155744, 160611, 165792, 183219, 192944, 205392, 214148, 233616, 244292, 265298, 289416, 321222, 366438, 385888, 397947, 410784, 428296, 467232, 488584, 530596, 578832, 642444, 671803, 732876, 795894, 856592, 977168, 1061192, 1157664, 1284888, 1343606, 1465752, 1591788, 1713184, 1893263, 1954336, 2015409, 2122384, 2569776, 2687212, 2931504, 3183576, 3786526, 4030818, 4244768, 5139552, 5374424, 5679789, 5863008, 6367152, 7573052, 8061636, 10748848, 11359578, 12734304, 15146104, 16123272, 20825893, 21497696, 22719156, 30292208, 32246544, 41651786, 45438312, 60584416, 62477679, 64493088, 83303572, 90876624, 124955358, 166607144, 181753248, 249910716, 333214288, 499821432, 666428576, 999642864, 1999285728]

約数ペア:

[(1, 1999285728), (2, 999642864), (3, 666428576), (4, 499821432), (6, 333214288), (8, 249910716), (11, 181753248), (12, 166607144), (16, 124955358), (22, 90876624), (24, 83303572), (31, 64493088), (32, 62477679), (33, 60584416), (44, 45438312), (48, 41651786), (62, 32246544), (66, 30292208), (88, 22719156), (93, 21497696), (96, 20825893), (124, 16123272), (132, 15146104), (157, 12734304), (176, 11359578), (186, 10748848), (248, 8061636), (264, 7573052), (314, 6367152), (341, 5863008), (352, 5679789), (372, 5374424), (389, 5139552), (471, 4244768), (496, 4030818), (528, 3786526), (628, 3183576), (682, 2931504), (744, 2687212), (778, 2569776), (942, 2122384), (992, 2015409), (1023, 1954336), (1056, 1893263), (1167, 1713184), (1256, 1591788), (1364, 1465752), (1488, 1343606), (1556, 1284888), (1727, 1157664), (1884, 1061192), (2046, 977168), (2334, 856592), (2512, 795894), (2728, 732876), (2976, 671803), (3112, 642444), (3454, 578832), (3768, 530596), (4092, 488584), (4279, 467232), (4668, 428296), (4867, 410784), (5024, 397947), (5181, 385888), (5456, 366438), (6224, 321222), (6908, 289416), (7536, 265298), (8184, 244292), (8558, 233616), (9336, 214148), (9734, 205392), (10362, 192944), (10912, 183219), (12059, 165792), (12448, 160611), (12837, 155744), (13816, 144708), (14601, 136928), (15072, 132649), (16368, 122146), (17116, 116808), (18672, 107074), (19468, 102696), (20724, 96472), (24118, 82896), (25674, 77872), (27632, 72354), (29202, 68464), (32736, 61073), (34232, 58404), (36177, 55264), (37344, 53537), (38936, 51348), (41448, 48236)]