4995500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 11129664

約数和(自身を除く): 6134164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 103, 125, 194, 206, 250, 388, 412, 485, 500, 515, 970, 1030, 1940, 2060, 2425, 2575, 4850, 5150, 9700, 9991, 10300, 12125, 12875, 19982, 24250, 25750, 39964, 48500, 49955, 51500, 99910, 199820, 249775, 499550, 999100, 1248875, 2497750, 4995500]

約数ペア:

[(1, 4995500), (2, 2497750), (4, 1248875), (5, 999100), (10, 499550), (20, 249775), (25, 199820), (50, 99910), (97, 51500), (100, 49955), (103, 48500), (125, 39964), (194, 25750), (206, 24250), (250, 19982), (388, 12875), (412, 12125), (485, 10300), (500, 9991), (515, 9700), (970, 5150), (1030, 4850), (1940, 2575), (2060, 2425)]