3987500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 9843120

約数和(自身を除く): 5855620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 125, 145, 220, 250, 275, 290, 319, 500, 550, 580, 625, 638, 725, 1100, 1250, 1276, 1375, 1450, 1595, 2500, 2750, 2900, 3125, 3190, 3625, 5500, 6250, 6380, 6875, 7250, 7975, 12500, 13750, 14500, 15950, 18125, 27500, 31900, 34375, 36250, 39875, 68750, 72500, 79750, 90625, 137500, 159500, 181250, 199375, 362500, 398750, 797500, 996875, 1993750, 3987500]

約数ペア:

[(1, 3987500), (2, 1993750), (4, 996875), (5, 797500), (10, 398750), (11, 362500), (20, 199375), (22, 181250), (25, 159500), (29, 137500), (44, 90625), (50, 79750), (55, 72500), (58, 68750), (100, 39875), (110, 36250), (116, 34375), (125, 31900), (145, 27500), (220, 18125), (250, 15950), (275, 14500), (290, 13750), (319, 12500), (500, 7975), (550, 7250), (580, 6875), (625, 6380), (638, 6250), (725, 5500), (1100, 3625), (1250, 3190), (1276, 3125), (1375, 2900), (1450, 2750), (1595, 2500)]