2921793980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20869957}}^1$

素因数の和:20869973

約数の個数: 24

約数和(自身を含む): 7012305888

約数和(自身を除く): 4090511908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20869957, 41739914, 83479828, 104349785, 146089699, 208699570, 292179398, 417399140, 584358796, 730448495, 1460896990, 2921793980]

約数ペア:

[(1, 2921793980), (2, 1460896990), (4, 730448495), (5, 584358796), (7, 417399140), (10, 292179398), (14, 208699570), (20, 146089699), (28, 104349785), (35, 83479828), (70, 41739914), (140, 20869957)]