315950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 24

約数和(自身を含む): 602640

約数和(自身を除く): 286690

約数列:

[1, 2, 5, 10, 25, 50, 71, 89, 142, 178, 355, 445, 710, 890, 1775, 2225, 3550, 4450, 6319, 12638, 31595, 63190, 157975, 315950]

約数ペア:

[(1, 315950), (2, 157975), (5, 63190), (10, 31595), (25, 12638), (50, 6319), (71, 4450), (89, 3550), (142, 2225), (178, 1775), (355, 890), (445, 710)]