4891000

素因数分解:

$2^3\times 5^3\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 11774880

約数和(自身を除く): 6883880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 73, 100, 125, 134, 146, 200, 250, 268, 292, 335, 365, 500, 536, 584, 670, 730, 1000, 1340, 1460, 1675, 1825, 2680, 2920, 3350, 3650, 4891, 6700, 7300, 8375, 9125, 9782, 13400, 14600, 16750, 18250, 19564, 24455, 33500, 36500, 39128, 48910, 67000, 73000, 97820, 122275, 195640, 244550, 489100, 611375, 978200, 1222750, 2445500, 4891000]

約数ペア:

[(1, 4891000), (2, 2445500), (4, 1222750), (5, 978200), (8, 611375), (10, 489100), (20, 244550), (25, 195640), (40, 122275), (50, 97820), (67, 73000), (73, 67000), (100, 48910), (125, 39128), (134, 36500), (146, 33500), (200, 24455), (250, 19564), (268, 18250), (292, 16750), (335, 14600), (365, 13400), (500, 9782), (536, 9125), (584, 8375), (670, 7300), (730, 6700), (1000, 4891), (1340, 3650), (1460, 3350), (1675, 2920), (1825, 2680)]