7142260

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1973}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 15089256

約数和(自身を除く): 7946996

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 1973, 3620, 3946, 7892, 9865, 19730, 39460, 357113, 714226, 1428452, 1785565, 3571130, 7142260]

約数ペア:

[(1, 7142260), (2, 3571130), (4, 1785565), (5, 1428452), (10, 714226), (20, 357113), (181, 39460), (362, 19730), (724, 9865), (905, 7892), (1810, 3946), (1973, 3620)]