2491590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 6290928

約数和(自身を除く): 3799338

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 157, 230, 314, 345, 471, 529, 690, 785, 942, 1058, 1570, 1587, 2355, 2645, 3174, 3611, 4710, 5290, 7222, 7935, 10833, 15870, 18055, 21666, 36110, 54165, 83053, 108330, 166106, 249159, 415265, 498318, 830530, 1245795, 2491590]

約数ペア:

[(1, 2491590), (2, 1245795), (3, 830530), (5, 498318), (6, 415265), (10, 249159), (15, 166106), (23, 108330), (30, 83053), (46, 54165), (69, 36110), (115, 21666), (138, 18055), (157, 15870), (230, 10833), (314, 7935), (345, 7222), (471, 5290), (529, 4710), (690, 3611), (785, 3174), (942, 2645), (1058, 2355), (1570, 1587)]