157107800

素因数分解:

$2^3\times 5^2\times {\mathrm{809}}^1\times {\mathrm{971}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 366103800

約数和(自身を除く): 208996000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 809, 971, 1618, 1942, 3236, 3884, 4045, 4855, 6472, 7768, 8090, 9710, 16180, 19420, 20225, 24275, 32360, 38840, 40450, 48550, 80900, 97100, 161800, 194200, 785539, 1571078, 3142156, 3927695, 6284312, 7855390, 15710780, 19638475, 31421560, 39276950, 78553900, 157107800]

約数ペア:

[(1, 157107800), (2, 78553900), (4, 39276950), (5, 31421560), (8, 19638475), (10, 15710780), (20, 7855390), (25, 6284312), (40, 3927695), (50, 3142156), (100, 1571078), (200, 785539), (809, 194200), (971, 161800), (1618, 97100), (1942, 80900), (3236, 48550), (3884, 40450), (4045, 38840), (4855, 32360), (6472, 24275), (7768, 20225), (8090, 19420), (9710, 16180)]