1998736620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{1499}}^1$

素因数の和:1895

約数の個数: 96

約数和(自身を含む): 5697216000

約数和(自身を除く): 3698479380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 313, 355, 426, 626, 710, 852, 939, 1065, 1252, 1420, 1499, 1565, 1878, 2130, 2998, 3130, 3756, 4260, 4497, 4695, 5996, 6260, 7495, 8994, 9390, 14990, 17988, 18780, 22223, 22485, 29980, 44446, 44970, 66669, 88892, 89940, 106429, 111115, 133338, 212858, 222230, 266676, 319287, 333345, 425716, 444460, 469187, 532145, 638574, 666690, 938374, 1064290, 1277148, 1333380, 1407561, 1596435, 1876748, 2128580, 2345935, 2815122, 3192870, 4691870, 5630244, 6385740, 7037805, 9383740, 14075610, 28151220, 33312277, 66624554, 99936831, 133249108, 166561385, 199873662, 333122770, 399747324, 499684155, 666245540, 999368310, 1998736620]

約数ペア:

[(1, 1998736620), (2, 999368310), (3, 666245540), (4, 499684155), (5, 399747324), (6, 333122770), (10, 199873662), (12, 166561385), (15, 133249108), (20, 99936831), (30, 66624554), (60, 33312277), (71, 28151220), (142, 14075610), (213, 9383740), (284, 7037805), (313, 6385740), (355, 5630244), (426, 4691870), (626, 3192870), (710, 2815122), (852, 2345935), (939, 2128580), (1065, 1876748), (1252, 1596435), (1420, 1407561), (1499, 1333380), (1565, 1277148), (1878, 1064290), (2130, 938374), (2998, 666690), (3130, 638574), (3756, 532145), (4260, 469187), (4497, 444460), (4695, 425716), (5996, 333345), (6260, 319287), (7495, 266676), (8994, 222230), (9390, 212858), (14990, 133338), (17988, 111115), (18780, 106429), (22223, 89940), (22485, 88892), (29980, 66669), (44446, 44970)]