2149508450

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{349}}^1\times {\mathrm{619}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 4036200000

約数和(自身を除く): 1886691550

約数列:

[1, 2, 5, 10, 25, 50, 199, 349, 398, 619, 698, 995, 1238, 1745, 1990, 3095, 3490, 4975, 6190, 8725, 9950, 15475, 17450, 30950, 69451, 123181, 138902, 216031, 246362, 347255, 432062, 615905, 694510, 1080155, 1231810, 1736275, 2160310, 3079525, 3472550, 5400775, 6159050, 10801550, 42990169, 85980338, 214950845, 429901690, 1074754225, 2149508450]

約数ペア:

[(1, 2149508450), (2, 1074754225), (5, 429901690), (10, 214950845), (25, 85980338), (50, 42990169), (199, 10801550), (349, 6159050), (398, 5400775), (619, 3472550), (698, 3079525), (995, 2160310), (1238, 1736275), (1745, 1231810), (1990, 1080155), (3095, 694510), (3490, 615905), (4975, 432062), (6190, 347255), (8725, 246362), (9950, 216031), (15475, 138902), (17450, 123181), (30950, 69451)]