199207240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{160651}}^1$

素因数の和:160693

約数の個数: 32

約数和(自身を含む): 462677760

約数和(自身を除く): 263470520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 160651, 321302, 642604, 803255, 1285208, 1606510, 3213020, 4980181, 6426040, 9960362, 19920724, 24900905, 39841448, 49801810, 99603620, 199207240]

約数ペア:

[(1, 199207240), (2, 99603620), (4, 49801810), (5, 39841448), (8, 24900905), (10, 19920724), (20, 9960362), (31, 6426040), (40, 4980181), (62, 3213020), (124, 1606510), (155, 1285208), (248, 803255), (310, 642604), (620, 321302), (1240, 160651)]