1642850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 3481920

約数和(自身を除く): 1839070

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 103, 110, 145, 206, 275, 290, 319, 515, 550, 638, 725, 1030, 1133, 1450, 1595, 2266, 2575, 2987, 3190, 5150, 5665, 5974, 7975, 11330, 14935, 15950, 28325, 29870, 32857, 56650, 65714, 74675, 149350, 164285, 328570, 821425, 1642850]

約数ペア:

[(1, 1642850), (2, 821425), (5, 328570), (10, 164285), (11, 149350), (22, 74675), (25, 65714), (29, 56650), (50, 32857), (55, 29870), (58, 28325), (103, 15950), (110, 14935), (145, 11330), (206, 7975), (275, 5974), (290, 5665), (319, 5150), (515, 3190), (550, 2987), (638, 2575), (725, 2266), (1030, 1595), (1133, 1450)]