140502404

素因数分解:

$2^2\times 7^3\times {\mathrm{102407}}^1$

素因数の和:102432

約数の個数: 24

約数和(自身を含む): 286742400

約数和(自身を除く): 146239996

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 102407, 204814, 409628, 716849, 1433698, 2867396, 5017943, 10035886, 20071772, 35125601, 70251202, 140502404]

約数ペア:

[(1, 140502404), (2, 70251202), (4, 35125601), (7, 20071772), (14, 10035886), (28, 5017943), (49, 2867396), (98, 1433698), (196, 716849), (343, 409628), (686, 204814), (1372, 102407)]