3491740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{509}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 8568000

約数和(自身を除く): 5076260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 509, 686, 980, 1018, 1372, 1715, 2036, 2545, 3430, 3563, 5090, 6860, 7126, 10180, 14252, 17815, 24941, 35630, 49882, 71260, 99764, 124705, 174587, 249410, 349174, 498820, 698348, 872935, 1745870, 3491740]

約数ペア:

[(1, 3491740), (2, 1745870), (4, 872935), (5, 698348), (7, 498820), (10, 349174), (14, 249410), (20, 174587), (28, 124705), (35, 99764), (49, 71260), (70, 49882), (98, 35630), (140, 24941), (196, 17815), (245, 14252), (343, 10180), (490, 7126), (509, 6860), (686, 5090), (980, 3563), (1018, 3430), (1372, 2545), (1715, 2036)]