210147721904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{691275401}}^1$

素因数の和:691275428

約数の個数: 20

約数和(自身を含む): 428590749240

約数和(自身を除く): 218443027336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 691275401, 1382550802, 2765101604, 5530203208, 11060406416, 13134232619, 26268465238, 52536930476, 105073860952, 210147721904]

約数ペア:

[(1, 210147721904), (2, 105073860952), (4, 52536930476), (8, 26268465238), (16, 13134232619), (19, 11060406416), (38, 5530203208), (76, 2765101604), (152, 1382550802), (304, 691275401)]