139636810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{2069}}^1$

素因数の和:2490

約数の個数: 32

約数和(自身を含む): 266930640

約数和(自身を除く): 127293830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 397, 794, 1985, 2069, 3970, 4138, 6749, 10345, 13498, 20690, 33745, 35173, 67490, 70346, 175865, 351730, 821393, 1642786, 4106965, 8213930, 13963681, 27927362, 69818405, 139636810]

約数ペア:

[(1, 139636810), (2, 69818405), (5, 27927362), (10, 13963681), (17, 8213930), (34, 4106965), (85, 1642786), (170, 821393), (397, 351730), (794, 175865), (1985, 70346), (2069, 67490), (3970, 35173), (4138, 33745), (6749, 20690), (10345, 13498)]