65254550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 128898000

約数和(自身を除く): 63643450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 149, 190, 298, 461, 475, 745, 922, 950, 1490, 2305, 2831, 3725, 4610, 5662, 7450, 8759, 11525, 14155, 17518, 23050, 28310, 43795, 68689, 70775, 87590, 137378, 141550, 218975, 343445, 437950, 686890, 1305091, 1717225, 2610182, 3434450, 6525455, 13050910, 32627275, 65254550]

約数ペア:

[(1, 65254550), (2, 32627275), (5, 13050910), (10, 6525455), (19, 3434450), (25, 2610182), (38, 1717225), (50, 1305091), (95, 686890), (149, 437950), (190, 343445), (298, 218975), (461, 141550), (475, 137378), (745, 87590), (922, 70775), (950, 68689), (1490, 43795), (2305, 28310), (2831, 23050), (3725, 17518), (4610, 14155), (5662, 11525), (7450, 8759)]