208030760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{742967}}^1$

素因数の和:742985

約数の個数: 32

約数和(自身を含む): 534936960

約数和(自身を除く): 326906200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 742967, 1485934, 2971868, 3714835, 5200769, 5943736, 7429670, 10401538, 14859340, 20803076, 26003845, 29718680, 41606152, 52007690, 104015380, 208030760]

約数ペア:

[(1, 208030760), (2, 104015380), (4, 52007690), (5, 41606152), (7, 29718680), (8, 26003845), (10, 20803076), (14, 14859340), (20, 10401538), (28, 7429670), (35, 5943736), (40, 5200769), (56, 3714835), (70, 2971868), (140, 1485934), (280, 742967)]