231931880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{69859}}^1$

素因数の和:69953

約数の個数: 32

約数和(自身を含む): 528141600

約数和(自身を除く): 296209720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 69859, 139718, 279436, 349295, 558872, 698590, 1397180, 2794360, 5798297, 11596594, 23193188, 28991485, 46386376, 57982970, 115965940, 231931880]

約数ペア:

[(1, 231931880), (2, 115965940), (4, 57982970), (5, 46386376), (8, 28991485), (10, 23193188), (20, 11596594), (40, 5798297), (83, 2794360), (166, 1397180), (332, 698590), (415, 558872), (664, 349295), (830, 279436), (1660, 139718), (3320, 69859)]