2009747450

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{499}}^1\times {\mathrm{739}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 3785100000

約数和(自身を除く): 1775352550

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 499, 545, 739, 998, 1090, 1478, 2495, 2725, 3695, 4990, 5450, 7390, 12475, 18475, 24950, 36950, 54391, 80551, 108782, 161102, 271955, 368761, 402755, 543910, 737522, 805510, 1359775, 1843805, 2013775, 2719550, 3687610, 4027550, 9219025, 18438050, 40194949, 80389898, 200974745, 401949490, 1004873725, 2009747450]

約数ペア:

[(1, 2009747450), (2, 1004873725), (5, 401949490), (10, 200974745), (25, 80389898), (50, 40194949), (109, 18438050), (218, 9219025), (499, 4027550), (545, 3687610), (739, 2719550), (998, 2013775), (1090, 1843805), (1478, 1359775), (2495, 805510), (2725, 737522), (3695, 543910), (4990, 402755), (5450, 368761), (7390, 271955), (12475, 161102), (18475, 108782), (24950, 80551), (36950, 54391)]