1902920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 4329720

約数和(自身を除く): 2426800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 421, 452, 565, 842, 904, 1130, 1684, 2105, 2260, 3368, 4210, 4520, 8420, 16840, 47573, 95146, 190292, 237865, 380584, 475730, 951460, 1902920]

約数ペア:

[(1, 1902920), (2, 951460), (4, 475730), (5, 380584), (8, 237865), (10, 190292), (20, 95146), (40, 47573), (113, 16840), (226, 8420), (421, 4520), (452, 4210), (565, 3368), (842, 2260), (904, 2105), (1130, 1684)]