210330440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{86201}}^1$

素因数の和:86273

約数の個数: 32

約数和(自身を含む): 481007160

約数和(自身を除く): 270676720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 86201, 172402, 344804, 431005, 689608, 862010, 1724020, 3448040, 5258261, 10516522, 21033044, 26291305, 42066088, 52582610, 105165220, 210330440]

約数ペア:

[(1, 210330440), (2, 105165220), (4, 52582610), (5, 42066088), (8, 26291305), (10, 21033044), (20, 10516522), (40, 5258261), (61, 3448040), (122, 1724020), (244, 862010), (305, 689608), (488, 431005), (610, 344804), (1220, 172402), (2440, 86201)]