69889960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{249607}}^1$

素因数の和:249625

約数の個数: 32

約数和(自身を含む): 179717760

約数和(自身を除く): 109827800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 249607, 499214, 998428, 1248035, 1747249, 1996856, 2496070, 3494498, 4992140, 6988996, 8736245, 9984280, 13977992, 17472490, 34944980, 69889960]

約数ペア:

[(1, 69889960), (2, 34944980), (4, 17472490), (5, 13977992), (7, 9984280), (8, 8736245), (10, 6988996), (14, 4992140), (20, 3494498), (28, 2496070), (35, 1996856), (40, 1747249), (56, 1248035), (70, 998428), (140, 499214), (280, 249607)]