12198500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 27535872

約数和(自身を除く): 15337372

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 787, 1550, 1574, 3100, 3148, 3875, 3935, 7750, 7870, 15500, 15740, 19675, 24397, 39350, 48794, 78700, 97588, 98375, 121985, 196750, 243970, 393500, 487940, 609925, 1219850, 2439700, 3049625, 6099250, 12198500]

約数ペア:

[(1, 12198500), (2, 6099250), (4, 3049625), (5, 2439700), (10, 1219850), (20, 609925), (25, 487940), (31, 393500), (50, 243970), (62, 196750), (100, 121985), (124, 98375), (125, 97588), (155, 78700), (250, 48794), (310, 39350), (500, 24397), (620, 19675), (775, 15740), (787, 15500), (1550, 7870), (1574, 7750), (3100, 3935), (3148, 3875)]