7783890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 12433710

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 230, 290, 345, 389, 435, 667, 690, 778, 870, 1167, 1334, 1945, 2001, 2334, 3335, 3890, 4002, 5835, 6670, 8947, 10005, 11281, 11670, 17894, 20010, 22562, 26841, 33843, 44735, 53682, 56405, 67686, 89470, 112810, 134205, 169215, 259463, 268410, 338430, 518926, 778389, 1297315, 1556778, 2594630, 3891945, 7783890]

約数ペア:

[(1, 7783890), (2, 3891945), (3, 2594630), (5, 1556778), (6, 1297315), (10, 778389), (15, 518926), (23, 338430), (29, 268410), (30, 259463), (46, 169215), (58, 134205), (69, 112810), (87, 89470), (115, 67686), (138, 56405), (145, 53682), (174, 44735), (230, 33843), (290, 26841), (345, 22562), (389, 20010), (435, 17894), (667, 11670), (690, 11281), (778, 10005), (870, 8947), (1167, 6670), (1334, 5835), (1945, 4002), (2001, 3890), (2334, 3335)]