565473820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{20959}}^1$

素因数の和:21058

約数の個数: 48

約数和(自身を含む): 1267660800

約数和(自身を除く): 702186980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 13490, 20959, 26980, 41918, 83836, 104795, 209590, 398221, 419180, 796442, 1488089, 1592884, 1991105, 2976178, 3982210, 5952356, 7440445, 7964420, 14880890, 28273691, 29761780, 56547382, 113094764, 141368455, 282736910, 565473820]

約数ペア:

[(1, 565473820), (2, 282736910), (4, 141368455), (5, 113094764), (10, 56547382), (19, 29761780), (20, 28273691), (38, 14880890), (71, 7964420), (76, 7440445), (95, 5952356), (142, 3982210), (190, 2976178), (284, 1991105), (355, 1592884), (380, 1488089), (710, 796442), (1349, 419180), (1420, 398221), (2698, 209590), (5396, 104795), (6745, 83836), (13490, 41918), (20959, 26980)]