265221460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1894439}}^1$

素因数の和:1894455

約数の個数: 24

約数和(自身を含む): 636531840

約数和(自身を除く): 371310380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1894439, 3788878, 7577756, 9472195, 13261073, 18944390, 26522146, 37888780, 53044292, 66305365, 132610730, 265221460]

約数ペア:

[(1, 265221460), (2, 132610730), (4, 66305365), (5, 53044292), (7, 37888780), (10, 26522146), (14, 18944390), (20, 13261073), (28, 9472195), (35, 7577756), (70, 3788878), (140, 1894439)]