2856500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 6486480

約数和(自身を除く): 3629980

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 197, 250, 290, 394, 500, 580, 725, 788, 985, 1450, 1970, 2900, 3625, 3940, 4925, 5713, 7250, 9850, 11426, 14500, 19700, 22852, 24625, 28565, 49250, 57130, 98500, 114260, 142825, 285650, 571300, 714125, 1428250, 2856500]

約数ペア:

[(1, 2856500), (2, 1428250), (4, 714125), (5, 571300), (10, 285650), (20, 142825), (25, 114260), (29, 98500), (50, 57130), (58, 49250), (100, 28565), (116, 24625), (125, 22852), (145, 19700), (197, 14500), (250, 11426), (290, 9850), (394, 7250), (500, 5713), (580, 4925), (725, 3940), (788, 3625), (985, 2900), (1450, 1970)]