31395790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 59940000

約数和(自身を除く): 28544210

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1109, 1490, 2218, 2831, 5545, 5662, 11090, 14155, 21071, 28310, 42142, 105355, 165241, 210710, 330482, 826205, 1652410, 3139579, 6279158, 15697895, 31395790]

約数ペア:

[(1, 31395790), (2, 15697895), (5, 6279158), (10, 3139579), (19, 1652410), (38, 826205), (95, 330482), (149, 210710), (190, 165241), (298, 105355), (745, 42142), (1109, 28310), (1490, 21071), (2218, 14155), (2831, 11090), (5545, 5662)]