108649000

素因数分解:

$2^3\times 5^3\times {\mathrm{108649}}^1$

素因数の和:108670

約数の個数: 32

約数和(自身を含む): 254241000

約数和(自身を除く): 145592000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 108649, 217298, 434596, 543245, 869192, 1086490, 2172980, 2716225, 4345960, 5432450, 10864900, 13581125, 21729800, 27162250, 54324500, 108649000]

約数ペア:

[(1, 108649000), (2, 54324500), (4, 27162250), (5, 21729800), (8, 13581125), (10, 10864900), (20, 5432450), (25, 4345960), (40, 2716225), (50, 2172980), (100, 1086490), (125, 869192), (200, 543245), (250, 434596), (500, 217298), (1000, 108649)]