816164360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{168629}}^1$

素因数の和:168662

約数の個数: 48

約数和(自身を含む): 2018501100

約数和(自身を除く): 1202336740

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 168629, 337258, 674516, 843145, 1349032, 1686290, 1854919, 3372580, 3709838, 6745160, 7419676, 9274595, 14839352, 18549190, 20404109, 37098380, 40808218, 74196760, 81616436, 102020545, 163232872, 204041090, 408082180, 816164360]

約数ペア:

[(1, 816164360), (2, 408082180), (4, 204041090), (5, 163232872), (8, 102020545), (10, 81616436), (11, 74196760), (20, 40808218), (22, 37098380), (40, 20404109), (44, 18549190), (55, 14839352), (88, 9274595), (110, 7419676), (121, 6745160), (220, 3709838), (242, 3372580), (440, 1854919), (484, 1686290), (605, 1349032), (968, 843145), (1210, 674516), (2420, 337258), (4840, 168629)]