71143240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254083}}^1$

素因数の和:254101

約数の個数: 32

約数和(自身を含む): 182940480

約数和(自身を除く): 111797240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254083, 508166, 1016332, 1270415, 1778581, 2032664, 2540830, 3557162, 5081660, 7114324, 8892905, 10163320, 14228648, 17785810, 35571620, 71143240]

約数ペア:

[(1, 71143240), (2, 35571620), (4, 17785810), (5, 14228648), (7, 10163320), (8, 8892905), (10, 7114324), (14, 5081660), (20, 3557162), (28, 2540830), (35, 2032664), (40, 1778581), (56, 1270415), (70, 1016332), (140, 508166), (280, 254083)]