16870280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{60251}}^1$

素因数の和:60269

約数の個数: 32

約数和(自身を含む): 43381440

約数和(自身を除く): 26511160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 60251, 120502, 241004, 301255, 421757, 482008, 602510, 843514, 1205020, 1687028, 2108785, 2410040, 3374056, 4217570, 8435140, 16870280]

約数ペア:

[(1, 16870280), (2, 8435140), (4, 4217570), (5, 3374056), (7, 2410040), (8, 2108785), (10, 1687028), (14, 1205020), (20, 843514), (28, 602510), (35, 482008), (40, 421757), (56, 301255), (70, 241004), (140, 120502), (280, 60251)]