28750740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 86655744

約数和(自身を除く): 57905004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 71, 85, 102, 142, 170, 204, 213, 255, 284, 340, 355, 397, 426, 510, 710, 794, 852, 1020, 1065, 1191, 1207, 1420, 1588, 1985, 2130, 2382, 2414, 3621, 3970, 4260, 4764, 4828, 5955, 6035, 6749, 7242, 7940, 11910, 12070, 13498, 14484, 18105, 20247, 23820, 24140, 26996, 28187, 33745, 36210, 40494, 56374, 67490, 72420, 80988, 84561, 101235, 112748, 134980, 140935, 169122, 202470, 281870, 338244, 404940, 422805, 479179, 563740, 845610, 958358, 1437537, 1691220, 1916716, 2395895, 2875074, 4791790, 5750148, 7187685, 9583580, 14375370, 28750740]

約数ペア:

[(1, 28750740), (2, 14375370), (3, 9583580), (4, 7187685), (5, 5750148), (6, 4791790), (10, 2875074), (12, 2395895), (15, 1916716), (17, 1691220), (20, 1437537), (30, 958358), (34, 845610), (51, 563740), (60, 479179), (68, 422805), (71, 404940), (85, 338244), (102, 281870), (142, 202470), (170, 169122), (204, 140935), (213, 134980), (255, 112748), (284, 101235), (340, 84561), (355, 80988), (397, 72420), (426, 67490), (510, 56374), (710, 40494), (794, 36210), (852, 33745), (1020, 28187), (1065, 26996), (1191, 24140), (1207, 23820), (1420, 20247), (1588, 18105), (1985, 14484), (2130, 13498), (2382, 12070), (2414, 11910), (3621, 7940), (3970, 7242), (4260, 6749), (4764, 6035), (4828, 5955)]