353227580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 752431680

約数和(自身を除く): 399204100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 311, 436, 521, 545, 622, 1042, 1090, 1244, 1555, 2084, 2180, 2605, 3110, 5210, 6220, 10420, 33899, 56789, 67798, 113578, 135596, 162031, 169495, 227156, 283945, 324062, 338990, 567890, 648124, 677980, 810155, 1135780, 1620310, 3240620, 17661379, 35322758, 70645516, 88306895, 176613790, 353227580]

約数ペア:

[(1, 353227580), (2, 176613790), (4, 88306895), (5, 70645516), (10, 35322758), (20, 17661379), (109, 3240620), (218, 1620310), (311, 1135780), (436, 810155), (521, 677980), (545, 648124), (622, 567890), (1042, 338990), (1090, 324062), (1244, 283945), (1555, 227156), (2084, 169495), (2180, 162031), (2605, 135596), (3110, 113578), (5210, 67798), (6220, 56789), (10420, 33899)]