139812540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{332887}}^1$

素因数の和:332906

約数の個数: 48

約数和(自身を含む): 447401472

約数和(自身を除く): 307588932

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, 332887, 665774, 998661, 1331548, 1664435, 1997322, 2330209, 3328870, 3994644, 4660418, 4993305, 6657740, 6990627, 9320836, 9986610, 11651045, 13981254, 19973220, 23302090, 27962508, 34953135, 46604180, 69906270, 139812540]

約数ペア:

[(1, 139812540), (2, 69906270), (3, 46604180), (4, 34953135), (5, 27962508), (6, 23302090), (7, 19973220), (10, 13981254), (12, 11651045), (14, 9986610), (15, 9320836), (20, 6990627), (21, 6657740), (28, 4993305), (30, 4660418), (35, 3994644), (42, 3328870), (60, 2330209), (70, 1997322), (84, 1664435), (105, 1331548), (140, 998661), (210, 665774), (420, 332887)]