315399080

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{39623}}^1$

素因数の和:39833

約数の個数: 32

約数和(自身を含む): 713232000

約数和(自身を除く): 397832920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 39623, 79246, 158492, 198115, 316984, 396230, 792460, 1584920, 7884977, 15769954, 31539908, 39424885, 63079816, 78849770, 157699540, 315399080]

約数ペア:

[(1, 315399080), (2, 157699540), (4, 78849770), (5, 63079816), (8, 39424885), (10, 31539908), (20, 15769954), (40, 7884977), (199, 1584920), (398, 792460), (796, 396230), (995, 316984), (1592, 198115), (1990, 158492), (3980, 79246), (7960, 39623)]