839200000

素因数分解:

$2^8\times 5^5\times {\mathrm{1049}}^1$

素因数の和:1090

約数の個数: 108

約数和(自身を含む): 2095764300

約数和(自身を除く): 1256564300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 1000, 1049, 1250, 1280, 1600, 2000, 2098, 2500, 3125, 3200, 4000, 4196, 5000, 5245, 6250, 6400, 8000, 8392, 10000, 10490, 12500, 16000, 16784, 20000, 20980, 25000, 26225, 32000, 33568, 40000, 41960, 50000, 52450, 67136, 80000, 83920, 100000, 104900, 131125, 134272, 160000, 167840, 200000, 209800, 262250, 268544, 335680, 400000, 419600, 524500, 655625, 671360, 800000, 839200, 1049000, 1311250, 1342720, 1678400, 2098000, 2622500, 3278125, 3356800, 4196000, 5245000, 6556250, 6713600, 8392000, 10490000, 13112500, 16784000, 20980000, 26225000, 33568000, 41960000, 52450000, 83920000, 104900000, 167840000, 209800000, 419600000, 839200000]

約数ペア:

[(1, 839200000), (2, 419600000), (4, 209800000), (5, 167840000), (8, 104900000), (10, 83920000), (16, 52450000), (20, 41960000), (25, 33568000), (32, 26225000), (40, 20980000), (50, 16784000), (64, 13112500), (80, 10490000), (100, 8392000), (125, 6713600), (128, 6556250), (160, 5245000), (200, 4196000), (250, 3356800), (256, 3278125), (320, 2622500), (400, 2098000), (500, 1678400), (625, 1342720), (640, 1311250), (800, 1049000), (1000, 839200), (1049, 800000), (1250, 671360), (1280, 655625), (1600, 524500), (2000, 419600), (2098, 400000), (2500, 335680), (3125, 268544), (3200, 262250), (4000, 209800), (4196, 200000), (5000, 167840), (5245, 160000), (6250, 134272), (6400, 131125), (8000, 104900), (8392, 100000), (10000, 83920), (10490, 80000), (12500, 67136), (16000, 52450), (16784, 50000), (20000, 41960), (20980, 40000), (25000, 33568), (26225, 32000)]