353663380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{709}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 866867400

約数和(自身を除く): 513204020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 509, 709, 980, 1018, 1418, 2036, 2545, 2836, 3545, 3563, 4963, 5090, 7090, 7126, 9926, 10180, 14180, 14252, 17815, 19852, 24815, 24941, 34741, 35630, 49630, 49882, 69482, 71260, 99260, 99764, 124705, 138964, 173705, 249410, 347410, 360881, 498820, 694820, 721762, 1443524, 1804405, 2526167, 3608810, 5052334, 7217620, 10104668, 12630835, 17683169, 25261670, 35366338, 50523340, 70732676, 88415845, 176831690, 353663380]

約数ペア:

[(1, 353663380), (2, 176831690), (4, 88415845), (5, 70732676), (7, 50523340), (10, 35366338), (14, 25261670), (20, 17683169), (28, 12630835), (35, 10104668), (49, 7217620), (70, 5052334), (98, 3608810), (140, 2526167), (196, 1804405), (245, 1443524), (490, 721762), (509, 694820), (709, 498820), (980, 360881), (1018, 347410), (1418, 249410), (2036, 173705), (2545, 138964), (2836, 124705), (3545, 99764), (3563, 99260), (4963, 71260), (5090, 69482), (7090, 49882), (7126, 49630), (9926, 35630), (10180, 34741), (14180, 24941), (14252, 24815), (17815, 19852)]