428045500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{9619}}^1$

素因数の和:9727

約数の個数: 48

約数和(自身を含む): 945453600

約数和(自身を除く): 517408100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 445, 500, 890, 1780, 2225, 4450, 8900, 9619, 11125, 19238, 22250, 38476, 44500, 48095, 96190, 192380, 240475, 480950, 856091, 961900, 1202375, 1712182, 2404750, 3424364, 4280455, 4809500, 8560910, 17121820, 21402275, 42804550, 85609100, 107011375, 214022750, 428045500]

約数ペア:

[(1, 428045500), (2, 214022750), (4, 107011375), (5, 85609100), (10, 42804550), (20, 21402275), (25, 17121820), (50, 8560910), (89, 4809500), (100, 4280455), (125, 3424364), (178, 2404750), (250, 1712182), (356, 1202375), (445, 961900), (500, 856091), (890, 480950), (1780, 240475), (2225, 192380), (4450, 96190), (8900, 48095), (9619, 44500), (11125, 38476), (19238, 22250)]