404037340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{2767}}^1$

素因数の和:2939

約数の個数: 72

約数和(自身を含む): 993988800

約数和(自身を除く): 589951460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 980, 1043, 1490, 2086, 2767, 2980, 4172, 5215, 5534, 7301, 10430, 11068, 13835, 14602, 19369, 20860, 27670, 29204, 36505, 38738, 55340, 73010, 77476, 96845, 135583, 146020, 193690, 271166, 387380, 412283, 542332, 677915, 824566, 1355830, 1649132, 2061415, 2711660, 2885981, 4122830, 5771962, 8245660, 11543924, 14429905, 20201867, 28859810, 40403734, 57719620, 80807468, 101009335, 202018670, 404037340]

約数ペア:

[(1, 404037340), (2, 202018670), (4, 101009335), (5, 80807468), (7, 57719620), (10, 40403734), (14, 28859810), (20, 20201867), (28, 14429905), (35, 11543924), (49, 8245660), (70, 5771962), (98, 4122830), (140, 2885981), (149, 2711660), (196, 2061415), (245, 1649132), (298, 1355830), (490, 824566), (596, 677915), (745, 542332), (980, 412283), (1043, 387380), (1490, 271166), (2086, 193690), (2767, 146020), (2980, 135583), (4172, 96845), (5215, 77476), (5534, 73010), (7301, 55340), (10430, 38738), (11068, 36505), (13835, 29204), (14602, 27670), (19369, 20860)]