398464140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{8089}}^1$

素因数の和:8922

約数の個数: 48

約数和(自身を含む): 1117196640

約数和(自身を除く): 718732500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 821, 1642, 2463, 3284, 4105, 4926, 8089, 8210, 9852, 12315, 16178, 16420, 24267, 24630, 32356, 40445, 48534, 49260, 80890, 97068, 121335, 161780, 242670, 485340, 6641069, 13282138, 19923207, 26564276, 33205345, 39846414, 66410690, 79692828, 99616035, 132821380, 199232070, 398464140]

約数ペア:

[(1, 398464140), (2, 199232070), (3, 132821380), (4, 99616035), (5, 79692828), (6, 66410690), (10, 39846414), (12, 33205345), (15, 26564276), (20, 19923207), (30, 13282138), (60, 6641069), (821, 485340), (1642, 242670), (2463, 161780), (3284, 121335), (4105, 97068), (4926, 80890), (8089, 49260), (8210, 48534), (9852, 40445), (12315, 32356), (16178, 24630), (16420, 24267)]