30191900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{359}}^1$

素因数の和:431

約数の個数: 54

約数和(自身を含む): 68042520

約数和(自身を除く): 37850620

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 359, 580, 718, 725, 841, 1436, 1450, 1682, 1795, 2900, 3364, 3590, 4205, 7180, 8410, 8975, 10411, 16820, 17950, 20822, 21025, 35900, 41644, 42050, 52055, 84100, 104110, 208220, 260275, 301919, 520550, 603838, 1041100, 1207676, 1509595, 3019190, 6038380, 7547975, 15095950, 30191900]

約数ペア:

[(1, 30191900), (2, 15095950), (4, 7547975), (5, 6038380), (10, 3019190), (20, 1509595), (25, 1207676), (29, 1041100), (50, 603838), (58, 520550), (100, 301919), (116, 260275), (145, 208220), (290, 104110), (359, 84100), (580, 52055), (718, 42050), (725, 41644), (841, 35900), (1436, 21025), (1450, 20822), (1682, 17950), (1795, 16820), (2900, 10411), (3364, 8975), (3590, 8410), (4205, 7180)]