157250290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{6421}}^1$

素因数の和:6538

約数の個数: 32

約数和(自身を含む): 295925760

約数和(自身を除く): 138675470

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 4898, 6421, 12245, 12842, 24490, 32105, 64210, 199051, 398102, 507259, 995255, 1014518, 1990510, 2536295, 5072590, 15725029, 31450058, 78625145, 157250290]

約数ペア:

[(1, 157250290), (2, 78625145), (5, 31450058), (10, 15725029), (31, 5072590), (62, 2536295), (79, 1990510), (155, 1014518), (158, 995255), (310, 507259), (395, 398102), (790, 199051), (2449, 64210), (4898, 32105), (6421, 24490), (12245, 12842)]