202864580

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{50971}}^1$

素因数の和:51179

約数の個数: 24

約数和(自身を含む): 428164800

約数和(自身を除く): 225300220

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 50971, 101942, 203884, 254855, 509710, 1019420, 10143229, 20286458, 40572916, 50716145, 101432290, 202864580]

約数ペア:

[(1, 202864580), (2, 101432290), (4, 50716145), (5, 40572916), (10, 20286458), (20, 10143229), (199, 1019420), (398, 509710), (796, 254855), (995, 203884), (1990, 101942), (3980, 50971)]