290425460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1117021}}^1$

素因数の和:1117043

約数の個数: 24

約数和(自身を含む): 656808936

約数和(自身を除く): 366383476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1117021, 2234042, 4468084, 5585105, 11170210, 14521273, 22340420, 29042546, 58085092, 72606365, 145212730, 290425460]

約数ペア:

[(1, 290425460), (2, 145212730), (4, 72606365), (5, 58085092), (10, 29042546), (13, 22340420), (20, 14521273), (26, 11170210), (52, 5585105), (65, 4468084), (130, 2234042), (260, 1117021)]