84286450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 162043200

約数和(自身を除く): 77756750

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 197, 199, 215, 394, 398, 430, 985, 995, 1075, 1970, 1990, 2150, 4925, 4975, 8471, 8557, 9850, 9950, 16942, 17114, 39203, 42355, 42785, 78406, 84710, 85570, 196015, 211775, 213925, 392030, 423550, 427850, 980075, 1685729, 1960150, 3371458, 8428645, 16857290, 42143225, 84286450]

約数ペア:

[(1, 84286450), (2, 42143225), (5, 16857290), (10, 8428645), (25, 3371458), (43, 1960150), (50, 1685729), (86, 980075), (197, 427850), (199, 423550), (215, 392030), (394, 213925), (398, 211775), (430, 196015), (985, 85570), (995, 84710), (1075, 78406), (1970, 42785), (1990, 42355), (2150, 39203), (4925, 17114), (4975, 16942), (8471, 9950), (8557, 9850)]