42669875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 56160000

約数和(自身を除く): 13490125

約数列:

[1, 5, 25, 29, 79, 125, 145, 149, 395, 725, 745, 1975, 2291, 3625, 3725, 4321, 9875, 11455, 11771, 18625, 21605, 57275, 58855, 108025, 286375, 294275, 341359, 540125, 1471375, 1706795, 8533975, 42669875]

約数ペア:

[(1, 42669875), (5, 8533975), (25, 1706795), (29, 1471375), (79, 540125), (125, 341359), (145, 294275), (149, 286375), (395, 108025), (725, 58855), (745, 57275), (1975, 21605), (2291, 18625), (3625, 11771), (3725, 11455), (4321, 9875)]