140106680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71483}}^1$

素因数の和:71508

約数の個数: 48

約数和(自身を含む): 366712920

約数和(自身を除く): 226606240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 71483, 142966, 285932, 357415, 500381, 571864, 714830, 1000762, 1429660, 2001524, 2501905, 2859320, 3502667, 4003048, 5003810, 7005334, 10007620, 14010668, 17513335, 20015240, 28021336, 35026670, 70053340, 140106680]

約数ペア:

[(1, 140106680), (2, 70053340), (4, 35026670), (5, 28021336), (7, 20015240), (8, 17513335), (10, 14010668), (14, 10007620), (20, 7005334), (28, 5003810), (35, 4003048), (40, 3502667), (49, 2859320), (56, 2501905), (70, 2001524), (98, 1429660), (140, 1000762), (196, 714830), (245, 571864), (280, 500381), (392, 357415), (490, 285932), (980, 142966), (1960, 71483)]