212415760

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19381}}^1$

素因数の和:19531

約数の個数: 40

約数和(自身を含む): 497497176

約数和(自身を除く): 285081416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 19381, 38762, 77524, 96905, 155048, 193810, 310096, 387620, 775240, 1550480, 2655197, 5310394, 10620788, 13275985, 21241576, 26551970, 42483152, 53103940, 106207880, 212415760]

約数ペア:

[(1, 212415760), (2, 106207880), (4, 53103940), (5, 42483152), (8, 26551970), (10, 21241576), (16, 13275985), (20, 10620788), (40, 5310394), (80, 2655197), (137, 1550480), (274, 775240), (548, 387620), (685, 310096), (1096, 193810), (1370, 155048), (2192, 96905), (2740, 77524), (5480, 38762), (10960, 19381)]