1640976492

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 4243421952

約数和(自身を除く): 2602445460

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 43, 46, 69, 74, 86, 92, 101, 111, 129, 138, 148, 172, 202, 222, 258, 276, 303, 404, 444, 516, 606, 851, 989, 1212, 1369, 1591, 1702, 1978, 2323, 2553, 2738, 2967, 3182, 3404, 3737, 3956, 4107, 4343, 4646, 4773, 5106, 5476, 5934, 6364, 6969, 7474, 8214, 8686, 9292, 9546, 10212, 11211, 11868, 13029, 13938, 14948, 16428, 17372, 19092, 22422, 26058, 27876, 31487, 36593, 44844, 52116, 58867, 62974, 73186, 85951, 94461, 99889, 109779, 117734, 125948, 138269, 146372, 160691, 171902, 176601, 188922, 199778, 219558, 235468, 257853, 276538, 299667, 321382, 343804, 353202, 377844, 399556, 414807, 439116, 482073, 515706, 553076, 599334, 642764, 706404, 829614, 964146, 1031412, 1198668, 1353941, 1659228, 1928292, 2707882, 3180187, 3695893, 4061823, 5415764, 5945567, 6360374, 7391786, 8123646, 9540561, 11087679, 11891134, 12720748, 14783572, 16247292, 17836701, 19081122, 22175358, 23782268, 35673402, 38162244, 44350716, 71346804, 136748041, 273496082, 410244123, 546992164, 820488246, 1640976492]

約数ペア:

[(1, 1640976492), (2, 820488246), (3, 546992164), (4, 410244123), (6, 273496082), (12, 136748041), (23, 71346804), (37, 44350716), (43, 38162244), (46, 35673402), (69, 23782268), (74, 22175358), (86, 19081122), (92, 17836701), (101, 16247292), (111, 14783572), (129, 12720748), (138, 11891134), (148, 11087679), (172, 9540561), (202, 8123646), (222, 7391786), (258, 6360374), (276, 5945567), (303, 5415764), (404, 4061823), (444, 3695893), (516, 3180187), (606, 2707882), (851, 1928292), (989, 1659228), (1212, 1353941), (1369, 1198668), (1591, 1031412), (1702, 964146), (1978, 829614), (2323, 706404), (2553, 642764), (2738, 599334), (2967, 553076), (3182, 515706), (3404, 482073), (3737, 439116), (3956, 414807), (4107, 399556), (4343, 377844), (4646, 353202), (4773, 343804), (5106, 321382), (5476, 299667), (5934, 276538), (6364, 257853), (6969, 235468), (7474, 219558), (8214, 199778), (8686, 188922), (9292, 176601), (9546, 171902), (10212, 160691), (11211, 146372), (11868, 138269), (13029, 125948), (13938, 117734), (14948, 109779), (16428, 99889), (17372, 94461), (19092, 85951), (22422, 73186), (26058, 62974), (27876, 58867), (31487, 52116), (36593, 44844)]