144637480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278149}}^1$

素因数の和:278173

約数の個数: 32

約数和(自身を含む): 350469000

約数和(自身を除く): 205831520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 278149, 556298, 1112596, 1390745, 2225192, 2781490, 3615937, 5562980, 7231874, 11125960, 14463748, 18079685, 28927496, 36159370, 72318740, 144637480]

約数ペア:

[(1, 144637480), (2, 72318740), (4, 36159370), (5, 28927496), (8, 18079685), (10, 14463748), (13, 11125960), (20, 7231874), (26, 5562980), (40, 3615937), (52, 2781490), (65, 2225192), (104, 1390745), (130, 1112596), (260, 556298), (520, 278149)]