69790840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{249253}}^1$

素因数の和:249271

約数の個数: 32

約数和(自身を含む): 179462880

約数和(自身を除く): 109672040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 249253, 498506, 997012, 1246265, 1744771, 1994024, 2492530, 3489542, 4985060, 6979084, 8723855, 9970120, 13958168, 17447710, 34895420, 69790840]

約数ペア:

[(1, 69790840), (2, 34895420), (4, 17447710), (5, 13958168), (7, 9970120), (8, 8723855), (10, 6979084), (14, 4985060), (20, 3489542), (28, 2492530), (35, 1994024), (40, 1744771), (56, 1246265), (70, 997012), (140, 498506), (280, 249253)]