407480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 937440

約数和(自身を除く): 529960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 167, 244, 305, 334, 488, 610, 668, 835, 1220, 1336, 1670, 2440, 3340, 6680, 10187, 20374, 40748, 50935, 81496, 101870, 203740, 407480]

約数ペア:

[(1, 407480), (2, 203740), (4, 101870), (5, 81496), (8, 50935), (10, 40748), (20, 20374), (40, 10187), (61, 6680), (122, 3340), (167, 2440), (244, 1670), (305, 1336), (334, 1220), (488, 835), (610, 668)]