320143325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 436043520

約数和(自身を除く): 115900195

約数列:

[1, 5, 23, 25, 29, 73, 115, 145, 263, 365, 575, 667, 725, 1315, 1679, 1825, 2117, 3335, 6049, 6575, 7627, 8395, 10585, 16675, 19199, 30245, 38135, 41975, 48691, 52925, 95995, 151225, 175421, 190675, 243455, 441577, 479975, 556771, 877105, 1217275, 2207885, 2783855, 4385525, 11039425, 12805733, 13919275, 64028665, 320143325]

約数ペア:

[(1, 320143325), (5, 64028665), (23, 13919275), (25, 12805733), (29, 11039425), (73, 4385525), (115, 2783855), (145, 2207885), (263, 1217275), (365, 877105), (575, 556771), (667, 479975), (725, 441577), (1315, 243455), (1679, 190675), (1825, 175421), (2117, 151225), (3335, 95995), (6049, 52925), (6575, 48691), (7627, 41975), (8395, 38135), (10585, 30245), (16675, 19199)]