57778820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1451}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 133189056

約数和(自身を除く): 75410236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1451, 1810, 1991, 2902, 3620, 3982, 5804, 7255, 7964, 9955, 14510, 15961, 19910, 29020, 31922, 39820, 63844, 79805, 159610, 262631, 319220, 525262, 1050524, 1313155, 2626310, 2888941, 5252620, 5777882, 11555764, 14444705, 28889410, 57778820]

約数ペア:

[(1, 57778820), (2, 28889410), (4, 14444705), (5, 11555764), (10, 5777882), (11, 5252620), (20, 2888941), (22, 2626310), (44, 1313155), (55, 1050524), (110, 525262), (181, 319220), (220, 262631), (362, 159610), (724, 79805), (905, 63844), (1451, 39820), (1810, 31922), (1991, 29020), (2902, 19910), (3620, 15961), (3982, 14510), (5804, 9955), (7255, 7964)]