71707580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{10453}}^1$

素因数の和:10483

約数の個数: 48

約数和(自身を含む): 175627200

約数和(自身を除く): 103919620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 10453, 20906, 41812, 52265, 73171, 104530, 146342, 209060, 292684, 365855, 512197, 731710, 1024394, 1463420, 2048788, 2560985, 3585379, 5121970, 7170758, 10243940, 14341516, 17926895, 35853790, 71707580]

約数ペア:

[(1, 71707580), (2, 35853790), (4, 17926895), (5, 14341516), (7, 10243940), (10, 7170758), (14, 5121970), (20, 3585379), (28, 2560985), (35, 2048788), (49, 1463420), (70, 1024394), (98, 731710), (140, 512197), (196, 365855), (245, 292684), (343, 209060), (490, 146342), (686, 104530), (980, 73171), (1372, 52265), (1715, 41812), (3430, 20906), (6860, 10453)]