28729960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102607}}^1$

素因数の和:102625

約数の個数: 32

約数和(自身を含む): 73877760

約数和(自身を除く): 45147800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102607, 205214, 410428, 513035, 718249, 820856, 1026070, 1436498, 2052140, 2872996, 3591245, 4104280, 5745992, 7182490, 14364980, 28729960]

約数ペア:

[(1, 28729960), (2, 14364980), (4, 7182490), (5, 5745992), (7, 4104280), (8, 3591245), (10, 2872996), (14, 2052140), (20, 1436498), (28, 1026070), (35, 820856), (40, 718249), (56, 513035), (70, 410428), (140, 205214), (280, 102607)]