309618660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{396947}}^1$

素因数の和:396972

約数の個数: 48

約数和(自身を含む): 933621696

約数和(自身を除く): 624003036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 396947, 793894, 1190841, 1587788, 1984735, 2381682, 3969470, 4763364, 5160311, 5954205, 7938940, 10320622, 11908410, 15480933, 20641244, 23816820, 25801555, 30961866, 51603110, 61923732, 77404665, 103206220, 154809330, 309618660]

約数ペア:

[(1, 309618660), (2, 154809330), (3, 103206220), (4, 77404665), (5, 61923732), (6, 51603110), (10, 30961866), (12, 25801555), (13, 23816820), (15, 20641244), (20, 15480933), (26, 11908410), (30, 10320622), (39, 7938940), (52, 5954205), (60, 5160311), (65, 4763364), (78, 3969470), (130, 2381682), (156, 1984735), (195, 1587788), (260, 1190841), (390, 793894), (780, 396947)]