220774575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1993}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 419346176

約数和(自身を除く): 198571601

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 211, 525, 633, 1055, 1477, 1993, 3165, 4431, 5275, 5979, 7385, 9965, 13951, 15825, 22155, 29895, 36925, 41853, 49825, 69755, 110775, 149475, 209265, 348775, 420523, 1046325, 1261569, 2102615, 2943661, 6307845, 8830983, 10513075, 14718305, 31539225, 44154915, 73591525, 220774575]

約数ペア:

[(1, 220774575), (3, 73591525), (5, 44154915), (7, 31539225), (15, 14718305), (21, 10513075), (25, 8830983), (35, 6307845), (75, 2943661), (105, 2102615), (175, 1261569), (211, 1046325), (525, 420523), (633, 348775), (1055, 209265), (1477, 149475), (1993, 110775), (3165, 69755), (4431, 49825), (5275, 41853), (5979, 36925), (7385, 29895), (9965, 22155), (13951, 15825)]