3919880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 9199980

約数和(自身を除く): 5280100

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 860, 1060, 1720, 1849, 2120, 2279, 3698, 4558, 7396, 9116, 9245, 11395, 14792, 18232, 18490, 22790, 36980, 45580, 73960, 91160, 97997, 195994, 391988, 489985, 783976, 979970, 1959940, 3919880]

約数ペア:

[(1, 3919880), (2, 1959940), (4, 979970), (5, 783976), (8, 489985), (10, 391988), (20, 195994), (40, 97997), (43, 91160), (53, 73960), (86, 45580), (106, 36980), (172, 22790), (212, 18490), (215, 18232), (265, 14792), (344, 11395), (424, 9245), (430, 9116), (530, 7396), (860, 4558), (1060, 3698), (1720, 2279), (1849, 2120)]