449500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 1048320

約数和(自身を除く): 598820

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 125, 145, 155, 250, 290, 310, 500, 580, 620, 725, 775, 899, 1450, 1550, 1798, 2900, 3100, 3596, 3625, 3875, 4495, 7250, 7750, 8990, 14500, 15500, 17980, 22475, 44950, 89900, 112375, 224750, 449500]

約数ペア:

[(1, 449500), (2, 224750), (4, 112375), (5, 89900), (10, 44950), (20, 22475), (25, 17980), (29, 15500), (31, 14500), (50, 8990), (58, 7750), (62, 7250), (100, 4495), (116, 3875), (124, 3625), (125, 3596), (145, 3100), (155, 2900), (250, 1798), (290, 1550), (310, 1450), (500, 899), (580, 775), (620, 725)]