490040000

素因数分解:

$2^6\times 5^4\times {\mathrm{12251}}^1$

素因数の和:12283

約数の個数: 70

約数和(自身を含む): 1215239124

約数和(自身を除く): 725199124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2500, 4000, 5000, 8000, 10000, 12251, 20000, 24502, 40000, 49004, 61255, 98008, 122510, 196016, 245020, 306275, 392032, 490040, 612550, 784064, 980080, 1225100, 1531375, 1960160, 2450200, 3062750, 3920320, 4900400, 6125500, 7656875, 9800800, 12251000, 15313750, 19601600, 24502000, 30627500, 49004000, 61255000, 98008000, 122510000, 245020000, 490040000]

約数ペア:

[(1, 490040000), (2, 245020000), (4, 122510000), (5, 98008000), (8, 61255000), (10, 49004000), (16, 30627500), (20, 24502000), (25, 19601600), (32, 15313750), (40, 12251000), (50, 9800800), (64, 7656875), (80, 6125500), (100, 4900400), (125, 3920320), (160, 3062750), (200, 2450200), (250, 1960160), (320, 1531375), (400, 1225100), (500, 980080), (625, 784064), (800, 612550), (1000, 490040), (1250, 392032), (1600, 306275), (2000, 245020), (2500, 196016), (4000, 122510), (5000, 98008), (8000, 61255), (10000, 49004), (12251, 40000), (20000, 24502)]