74371640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{265613}}^1$

素因数の和:265631

約数の個数: 32

約数和(自身を含む): 191242080

約数和(自身を除く): 116870440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 265613, 531226, 1062452, 1328065, 1859291, 2124904, 2656130, 3718582, 5312260, 7437164, 9296455, 10624520, 14874328, 18592910, 37185820, 74371640]

約数ペア:

[(1, 74371640), (2, 37185820), (4, 18592910), (5, 14874328), (7, 10624520), (8, 9296455), (10, 7437164), (14, 5312260), (20, 3718582), (28, 2656130), (35, 2124904), (40, 1859291), (56, 1328065), (70, 1062452), (140, 531226), (280, 265613)]