290420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 657384

約数和(自身を除く): 366964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1117, 2234, 4468, 5585, 11170, 14521, 22340, 29042, 58084, 72605, 145210, 290420]

約数ペア:

[(1, 290420), (2, 145210), (4, 72605), (5, 58084), (10, 29042), (13, 22340), (20, 14521), (26, 11170), (52, 5585), (65, 4468), (130, 2234), (260, 1117)]