207453540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{493937}}^1$

素因数の和:493956

約数の個数: 48

約数和(自身を含む): 663852672

約数和(自身を除く): 456399132

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, 493937, 987874, 1481811, 1975748, 2469685, 2963622, 3457559, 4939370, 5927244, 6915118, 7409055, 9878740, 10372677, 13830236, 14818110, 17287795, 20745354, 29636220, 34575590, 41490708, 51863385, 69151180, 103726770, 207453540]

約数ペア:

[(1, 207453540), (2, 103726770), (3, 69151180), (4, 51863385), (5, 41490708), (6, 34575590), (7, 29636220), (10, 20745354), (12, 17287795), (14, 14818110), (15, 13830236), (20, 10372677), (21, 9878740), (28, 7409055), (30, 6915118), (35, 5927244), (42, 4939370), (60, 3457559), (70, 2963622), (84, 2469685), (105, 1975748), (140, 1481811), (210, 987874), (420, 493937)]