1461740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 3592512

約数和(自身を除く): 2130772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 197, 212, 265, 371, 394, 530, 742, 788, 985, 1060, 1379, 1484, 1855, 1970, 2758, 3710, 3940, 5516, 6895, 7420, 10441, 13790, 20882, 27580, 41764, 52205, 73087, 104410, 146174, 208820, 292348, 365435, 730870, 1461740]

約数ペア:

[(1, 1461740), (2, 730870), (4, 365435), (5, 292348), (7, 208820), (10, 146174), (14, 104410), (20, 73087), (28, 52205), (35, 41764), (53, 27580), (70, 20882), (106, 13790), (140, 10441), (197, 7420), (212, 6895), (265, 5516), (371, 3940), (394, 3710), (530, 2758), (742, 1970), (788, 1855), (985, 1484), (1060, 1379)]