22516850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 44044800

約数和(自身を除く): 21527950

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 73, 146, 155, 199, 310, 365, 398, 730, 775, 995, 1550, 1825, 1990, 2263, 3650, 4526, 4975, 6169, 9950, 11315, 12338, 14527, 22630, 29054, 30845, 56575, 61690, 72635, 113150, 145270, 154225, 308450, 363175, 450337, 726350, 900674, 2251685, 4503370, 11258425, 22516850]

約数ペア:

[(1, 22516850), (2, 11258425), (5, 4503370), (10, 2251685), (25, 900674), (31, 726350), (50, 450337), (62, 363175), (73, 308450), (146, 154225), (155, 145270), (199, 113150), (310, 72635), (365, 61690), (398, 56575), (730, 30845), (775, 29054), (995, 22630), (1550, 14527), (1825, 12338), (1990, 11315), (2263, 9950), (3650, 6169), (4526, 4975)]