249888440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{8963}}^1$

素因数の和:9032

約数の個数: 64

約数和(自身を含む): 609910560

約数和(自身を除く): 360022120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 8963, 13940, 17926, 27880, 35852, 44815, 71704, 89630, 152371, 179260, 304742, 358520, 367483, 609484, 734966, 761855, 1218968, 1469932, 1523710, 1837415, 2939864, 3047420, 3674830, 6094840, 6247211, 7349660, 12494422, 14699320, 24988844, 31236055, 49977688, 62472110, 124944220, 249888440]

約数ペア:

[(1, 249888440), (2, 124944220), (4, 62472110), (5, 49977688), (8, 31236055), (10, 24988844), (17, 14699320), (20, 12494422), (34, 7349660), (40, 6247211), (41, 6094840), (68, 3674830), (82, 3047420), (85, 2939864), (136, 1837415), (164, 1523710), (170, 1469932), (205, 1218968), (328, 761855), (340, 734966), (410, 609484), (680, 367483), (697, 358520), (820, 304742), (1394, 179260), (1640, 152371), (2788, 89630), (3485, 71704), (5576, 44815), (6970, 35852), (8963, 27880), (13940, 17926)]