408082180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{168629}}^1$

素因数の和:168660

約数の個数: 36

約数和(自身を含む): 941967180

約数和(自身を除く): 533885000

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 168629, 337258, 674516, 843145, 1686290, 1854919, 3372580, 3709838, 7419676, 9274595, 18549190, 20404109, 37098380, 40808218, 81616436, 102020545, 204041090, 408082180]

約数ペア:

[(1, 408082180), (2, 204041090), (4, 102020545), (5, 81616436), (10, 40808218), (11, 37098380), (20, 20404109), (22, 18549190), (44, 9274595), (55, 7419676), (110, 3709838), (121, 3372580), (220, 1854919), (242, 1686290), (484, 843145), (605, 674516), (1210, 337258), (2420, 168629)]