91749020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5279}}^1$

素因数の和:5378

約数の個数: 48

約数和(自身を含む): 212889600

約数和(自身を除く): 121140580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 5279, 8690, 10558, 17380, 21116, 26395, 52790, 58069, 105580, 116138, 232276, 290345, 417041, 580690, 834082, 1161380, 1668164, 2085205, 4170410, 4587451, 8340820, 9174902, 18349804, 22937255, 45874510, 91749020]

約数ペア:

[(1, 91749020), (2, 45874510), (4, 22937255), (5, 18349804), (10, 9174902), (11, 8340820), (20, 4587451), (22, 4170410), (44, 2085205), (55, 1668164), (79, 1161380), (110, 834082), (158, 580690), (220, 417041), (316, 290345), (395, 232276), (790, 116138), (869, 105580), (1580, 58069), (1738, 52790), (3476, 26395), (4345, 21116), (5279, 17380), (8690, 10558)]