68821940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3769}}^1$

素因数の和:3872

約数の個数: 48

約数和(自身を含む): 159606720

約数和(自身を除く): 90784780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 3769, 4565, 7538, 9130, 15076, 18260, 18845, 37690, 41459, 75380, 82918, 165836, 207295, 312827, 414590, 625654, 829180, 1251308, 1564135, 3128270, 3441097, 6256540, 6882194, 13764388, 17205485, 34410970, 68821940]

約数ペア:

[(1, 68821940), (2, 34410970), (4, 17205485), (5, 13764388), (10, 6882194), (11, 6256540), (20, 3441097), (22, 3128270), (44, 1564135), (55, 1251308), (83, 829180), (110, 625654), (166, 414590), (220, 312827), (332, 207295), (415, 165836), (830, 82918), (913, 75380), (1660, 41459), (1826, 37690), (3652, 18845), (3769, 18260), (4565, 15076), (7538, 9130)]