3828266780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{342421}}^1$

素因数の和:342486

約数の個数: 48

約数和(自身を含む): 8859141984

約数和(自身を除く): 5030875204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 342421, 684842, 1369684, 1712105, 3424210, 4451473, 6848420, 8902946, 14724103, 17805892, 22257365, 29448206, 44514730, 58896412, 73620515, 89029460, 147241030, 191413339, 294482060, 382826678, 765653356, 957066695, 1914133390, 3828266780]

約数ペア:

[(1, 3828266780), (2, 1914133390), (4, 957066695), (5, 765653356), (10, 382826678), (13, 294482060), (20, 191413339), (26, 147241030), (43, 89029460), (52, 73620515), (65, 58896412), (86, 44514730), (130, 29448206), (172, 22257365), (215, 17805892), (260, 14724103), (430, 8902946), (559, 6848420), (860, 4451473), (1118, 3424210), (2236, 1712105), (2795, 1369684), (5590, 684842), (11180, 342421)]