1641885980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11727757}}^1$

素因数の和:11727773

約数の個数: 24

約数和(自身を含む): 3940526688

約数和(自身を除く): 2298640708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11727757, 23455514, 46911028, 58638785, 82094299, 117277570, 164188598, 234555140, 328377196, 410471495, 820942990, 1641885980]

約数ペア:

[(1, 1641885980), (2, 820942990), (4, 410471495), (5, 328377196), (7, 234555140), (10, 164188598), (14, 117277570), (20, 82094299), (28, 58638785), (35, 46911028), (70, 23455514), (140, 11727757)]