85700780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4931}}^1$

素因数の和:5030

約数の個数: 48

約数和(自身を含む): 198858240

約数和(自身を除く): 113157460

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, 4931, 8690, 9862, 17380, 19724, 24655, 49310, 54241, 98620, 108482, 216964, 271205, 389549, 542410, 779098, 1084820, 1558196, 1947745, 3895490, 4285039, 7790980, 8570078, 17140156, 21425195, 42850390, 85700780]

約数ペア:

[(1, 85700780), (2, 42850390), (4, 21425195), (5, 17140156), (10, 8570078), (11, 7790980), (20, 4285039), (22, 3895490), (44, 1947745), (55, 1558196), (79, 1084820), (110, 779098), (158, 542410), (220, 389549), (316, 271205), (395, 216964), (790, 108482), (869, 98620), (1580, 54241), (1738, 49310), (3476, 24655), (4345, 19724), (4931, 17380), (8690, 9862)]