1997009210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{239737}}^1$

素因数の和:239775

約数の個数: 48

約数和(自身を含む): 4427481384

約数和(自身を除く): 2430472174

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 4165, 8330, 239737, 479474, 1198685, 1678159, 2397370, 3356318, 4075529, 8151058, 8390795, 11747113, 16781590, 20377645, 23494226, 28528703, 40755290, 57057406, 58735565, 117471130, 142643515, 199700921, 285287030, 399401842, 998504605, 1997009210]

約数ペア:

[(1, 1997009210), (2, 998504605), (5, 399401842), (7, 285287030), (10, 199700921), (14, 142643515), (17, 117471130), (34, 58735565), (35, 57057406), (49, 40755290), (70, 28528703), (85, 23494226), (98, 20377645), (119, 16781590), (170, 11747113), (238, 8390795), (245, 8151058), (490, 4075529), (595, 3356318), (833, 2397370), (1190, 1678159), (1666, 1198685), (4165, 479474), (8330, 239737)]