157225460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1699}}^1$

素因数の和:2376

約数の個数: 48

約数和(自身を含む): 378134400

約数和(自身を除く): 220908940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 1322, 1699, 2644, 3305, 3398, 4627, 6610, 6796, 8495, 9254, 11893, 13220, 16990, 18508, 23135, 23786, 33980, 46270, 47572, 59465, 92540, 118930, 237860, 1123039, 2246078, 4492156, 5615195, 7861273, 11230390, 15722546, 22460780, 31445092, 39306365, 78612730, 157225460]

約数ペア:

[(1, 157225460), (2, 78612730), (4, 39306365), (5, 31445092), (7, 22460780), (10, 15722546), (14, 11230390), (20, 7861273), (28, 5615195), (35, 4492156), (70, 2246078), (140, 1123039), (661, 237860), (1322, 118930), (1699, 92540), (2644, 59465), (3305, 47572), (3398, 46270), (4627, 33980), (6610, 23786), (6796, 23135), (8495, 18508), (9254, 16990), (11893, 13220)]