678280180

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{22807}}^1$

素因数の和:24303

約数の個数: 24

約数和(自身を含む): 1425408768

約数和(自身を除く): 747128588

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5948, 7435, 14870, 22807, 29740, 45614, 91228, 114035, 228070, 456140, 33914009, 67828018, 135656036, 169570045, 339140090, 678280180]

約数ペア:

[(1, 678280180), (2, 339140090), (4, 169570045), (5, 135656036), (10, 67828018), (20, 33914009), (1487, 456140), (2974, 228070), (5948, 114035), (7435, 91228), (14870, 45614), (22807, 29740)]