348567440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{335161}}^1$

素因数の和:335187

約数の個数: 40

約数和(自身を含む): 872761848

約数和(自身を除く): 524194408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 335161, 670322, 1340644, 1675805, 2681288, 3351610, 4357093, 5362576, 6703220, 8714186, 13406440, 17428372, 21785465, 26812880, 34856744, 43570930, 69713488, 87141860, 174283720, 348567440]

約数ペア:

[(1, 348567440), (2, 174283720), (4, 87141860), (5, 69713488), (8, 43570930), (10, 34856744), (13, 26812880), (16, 21785465), (20, 17428372), (26, 13406440), (40, 8714186), (52, 6703220), (65, 5362576), (80, 4357093), (104, 3351610), (130, 2681288), (208, 1675805), (260, 1340644), (520, 670322), (1040, 335161)]