201378520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8081}}^1$

素因数の和:8188

約数の個数: 64

約数和(自身を含む): 523713600

約数和(自身を除く): 322335080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 8081, 12460, 16162, 24920, 32324, 40405, 56567, 64648, 80810, 113134, 161620, 226268, 282835, 323240, 452536, 565670, 719209, 1131340, 1438418, 2262680, 2876836, 3596045, 5034463, 5753672, 7192090, 10068926, 14384180, 20137852, 25172315, 28768360, 40275704, 50344630, 100689260, 201378520]

約数ペア:

[(1, 201378520), (2, 100689260), (4, 50344630), (5, 40275704), (7, 28768360), (8, 25172315), (10, 20137852), (14, 14384180), (20, 10068926), (28, 7192090), (35, 5753672), (40, 5034463), (56, 3596045), (70, 2876836), (89, 2262680), (140, 1438418), (178, 1131340), (280, 719209), (356, 565670), (445, 452536), (623, 323240), (712, 282835), (890, 226268), (1246, 161620), (1780, 113134), (2492, 80810), (3115, 64648), (3560, 56567), (4984, 40405), (6230, 32324), (8081, 24920), (12460, 16162)]