1277001040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2280359}}^1$

素因数の和:2280379

約数の個数: 40

約数和(自身を含む): 3393175680

約数和(自身を除く): 2116174640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2280359, 4560718, 9121436, 11401795, 15962513, 18242872, 22803590, 31925026, 36485744, 45607180, 63850052, 79812565, 91214360, 127700104, 159625130, 182428720, 255400208, 319250260, 638500520, 1277001040]

約数ペア:

[(1, 1277001040), (2, 638500520), (4, 319250260), (5, 255400208), (7, 182428720), (8, 159625130), (10, 127700104), (14, 91214360), (16, 79812565), (20, 63850052), (28, 45607180), (35, 36485744), (40, 31925026), (56, 22803590), (70, 18242872), (80, 15962513), (112, 11401795), (140, 9121436), (280, 4560718), (560, 2280359)]