628119700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{16661}}^1$

素因数の和:16717

約数の個数: 72

約数和(自身を含む): 1518574680

約数和(自身を除く): 890454980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1885, 2900, 3770, 7540, 9425, 16661, 18850, 33322, 37700, 66644, 83305, 166610, 216593, 333220, 416525, 433186, 483169, 833050, 866372, 966338, 1082965, 1666100, 1932676, 2165930, 2415845, 4331860, 4831690, 5414825, 6281197, 9663380, 10829650, 12079225, 12562394, 21659300, 24158450, 25124788, 31405985, 48316900, 62811970, 125623940, 157029925, 314059850, 628119700]

約数ペア:

[(1, 628119700), (2, 314059850), (4, 157029925), (5, 125623940), (10, 62811970), (13, 48316900), (20, 31405985), (25, 25124788), (26, 24158450), (29, 21659300), (50, 12562394), (52, 12079225), (58, 10829650), (65, 9663380), (100, 6281197), (116, 5414825), (130, 4831690), (145, 4331860), (260, 2415845), (290, 2165930), (325, 1932676), (377, 1666100), (580, 1082965), (650, 966338), (725, 866372), (754, 833050), (1300, 483169), (1450, 433186), (1508, 416525), (1885, 333220), (2900, 216593), (3770, 166610), (7540, 83305), (9425, 66644), (16661, 37700), (18850, 33322)]