201554920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719839}}^1$

素因数の和:719857

約数の個数: 32

約数和(自身を含む): 518284800

約数和(自身を除く): 316729880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719839, 1439678, 2879356, 3599195, 5038873, 5758712, 7198390, 10077746, 14396780, 20155492, 25194365, 28793560, 40310984, 50388730, 100777460, 201554920]

約数ペア:

[(1, 201554920), (2, 100777460), (4, 50388730), (5, 40310984), (7, 28793560), (8, 25194365), (10, 20155492), (14, 14396780), (20, 10077746), (28, 7198390), (35, 5758712), (40, 5038873), (56, 3599195), (70, 2879356), (140, 1439678), (280, 719839)]