19949100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2293}}^1$

素因数の和:2339

約数の個数: 72

約数和(自身を含む): 59735760

約数和(自身を除く): 39786660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 870, 1450, 1740, 2175, 2293, 2900, 4350, 4586, 6879, 8700, 9172, 11465, 13758, 22930, 27516, 34395, 45860, 57325, 66497, 68790, 114650, 132994, 137580, 171975, 199491, 229300, 265988, 332485, 343950, 398982, 664970, 687900, 797964, 997455, 1329940, 1662425, 1994910, 3324850, 3989820, 4987275, 6649700, 9974550, 19949100]

約数ペア:

[(1, 19949100), (2, 9974550), (3, 6649700), (4, 4987275), (5, 3989820), (6, 3324850), (10, 1994910), (12, 1662425), (15, 1329940), (20, 997455), (25, 797964), (29, 687900), (30, 664970), (50, 398982), (58, 343950), (60, 332485), (75, 265988), (87, 229300), (100, 199491), (116, 171975), (145, 137580), (150, 132994), (174, 114650), (290, 68790), (300, 66497), (348, 57325), (435, 45860), (580, 34395), (725, 27516), (870, 22930), (1450, 13758), (1740, 11465), (2175, 9172), (2293, 8700), (2900, 6879), (4350, 4586)]