220165825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1453}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 324532800

約数和(自身を除く): 104366975

約数列:

[1, 5, 11, 19, 25, 29, 55, 95, 145, 209, 275, 319, 475, 551, 725, 1045, 1453, 1595, 2755, 5225, 6061, 7265, 7975, 13775, 15983, 27607, 30305, 36325, 42137, 79915, 138035, 151525, 210685, 303677, 399575, 463507, 690175, 800603, 1053425, 1518385, 2317535, 4003015, 7591925, 8806633, 11587675, 20015075, 44033165, 220165825]

約数ペア:

[(1, 220165825), (5, 44033165), (11, 20015075), (19, 11587675), (25, 8806633), (29, 7591925), (55, 4003015), (95, 2317535), (145, 1518385), (209, 1053425), (275, 800603), (319, 690175), (475, 463507), (551, 399575), (725, 303677), (1045, 210685), (1453, 151525), (1595, 138035), (2755, 79915), (5225, 42137), (6061, 36325), (7265, 30305), (7975, 27607), (13775, 15983)]