480500

素因数分解:

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

素因数の和:81

約数の個数: 36

約数和(自身を含む): 1084356

約数和(自身を除く): 603856

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 961, 1550, 1922, 3100, 3844, 3875, 4805, 7750, 9610, 15500, 19220, 24025, 48050, 96100, 120125, 240250, 480500]

約数ペア:

[(1, 480500), (2, 240250), (4, 120125), (5, 96100), (10, 48050), (20, 24025), (25, 19220), (31, 15500), (50, 9610), (62, 7750), (100, 4805), (124, 3875), (125, 3844), (155, 3100), (250, 1922), (310, 1550), (500, 961), (620, 775)]