138584575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1481}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 181930320

約数和(自身を除く): 43345745

約数列:

[1, 5, 19, 25, 95, 197, 475, 985, 1481, 3743, 4925, 7405, 18715, 28139, 37025, 93575, 140695, 291757, 703475, 1458785, 5543383, 7293925, 27716915, 138584575]

約数ペア:

[(1, 138584575), (5, 27716915), (19, 7293925), (25, 5543383), (95, 1458785), (197, 703475), (475, 291757), (985, 140695), (1481, 93575), (3743, 37025), (4925, 28139), (7405, 18715)]