479805820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{34819}}^1$

素因数の和:34894

約数の個数: 48

約数和(自身を含む): 1105604640

約数和(自身を除く): 625798820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 34819, 69638, 139276, 174095, 348190, 452647, 696380, 905294, 1810588, 1845407, 2263235, 3690814, 4526470, 7381628, 9052940, 9227035, 18454070, 23990291, 36908140, 47980582, 95961164, 119951455, 239902910, 479805820]

約数ペア:

[(1, 479805820), (2, 239902910), (4, 119951455), (5, 95961164), (10, 47980582), (13, 36908140), (20, 23990291), (26, 18454070), (52, 9227035), (53, 9052940), (65, 7381628), (106, 4526470), (130, 3690814), (212, 2263235), (260, 1845407), (265, 1810588), (530, 905294), (689, 696380), (1060, 452647), (1378, 348190), (2756, 174095), (3445, 139276), (6890, 69638), (13780, 34819)]