488657500

素因数分解:

$2^2\times 5^4\times {\mathrm{71}}^1\times {\mathrm{2753}}^1$

素因数の和:2848

約数の個数: 60

約数和(自身を含む): 1084040496

約数和(自身を除く): 595382996

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 625, 710, 1250, 1420, 1775, 2500, 2753, 3550, 5506, 7100, 8875, 11012, 13765, 17750, 27530, 35500, 44375, 55060, 68825, 88750, 137650, 177500, 195463, 275300, 344125, 390926, 688250, 781852, 977315, 1376500, 1720625, 1954630, 3441250, 3909260, 4886575, 6882500, 9773150, 19546300, 24432875, 48865750, 97731500, 122164375, 244328750, 488657500]

約数ペア:

[(1, 488657500), (2, 244328750), (4, 122164375), (5, 97731500), (10, 48865750), (20, 24432875), (25, 19546300), (50, 9773150), (71, 6882500), (100, 4886575), (125, 3909260), (142, 3441250), (250, 1954630), (284, 1720625), (355, 1376500), (500, 977315), (625, 781852), (710, 688250), (1250, 390926), (1420, 344125), (1775, 275300), (2500, 195463), (2753, 177500), (3550, 137650), (5506, 88750), (7100, 68825), (8875, 55060), (11012, 44375), (13765, 35500), (17750, 27530)]