207471180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{493979}}^1$

素因数の和:493998

約数の個数: 48

約数和(自身を含む): 663909120

約数和(自身を除く): 456437940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 493979, 987958, 1481937, 1975916, 2469895, 2963874, 3457853, 4939790, 5927748, 6915706, 7409685, 9879580, 10373559, 13831412, 14819370, 17289265, 20747118, 29638740, 34578530, 41494236, 51867795, 69157060, 103735590, 207471180]

約数ペア:

[(1, 207471180), (2, 103735590), (3, 69157060), (4, 51867795), (5, 41494236), (6, 34578530), (7, 29638740), (10, 20747118), (12, 17289265), (14, 14819370), (15, 13831412), (20, 10373559), (21, 9879580), (28, 7409685), (30, 6915706), (35, 5927748), (42, 4939790), (60, 3457853), (70, 2963874), (84, 2469895), (105, 1975916), (140, 1481937), (210, 987958), (420, 493979)]