636855020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{2521}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 1418534208

約数和(自身を除く): 781679188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 743, 1486, 2521, 2972, 3715, 5042, 7430, 10084, 12605, 12631, 14860, 25210, 25262, 42857, 50420, 50524, 63155, 85714, 126310, 171428, 214285, 252620, 428570, 857140, 1873103, 3746206, 7492412, 9365515, 18731030, 31842751, 37462060, 63685502, 127371004, 159213755, 318427510, 636855020]

約数ペア:

[(1, 636855020), (2, 318427510), (4, 159213755), (5, 127371004), (10, 63685502), (17, 37462060), (20, 31842751), (34, 18731030), (68, 9365515), (85, 7492412), (170, 3746206), (340, 1873103), (743, 857140), (1486, 428570), (2521, 252620), (2972, 214285), (3715, 171428), (5042, 126310), (7430, 85714), (10084, 63155), (12605, 50524), (12631, 50420), (14860, 42857), (25210, 25262)]