129982020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{309481}}^1$

素因数の和:309500

約数の個数: 48

約数和(自身を含む): 415943808

約数和(自身を除く): 285961788

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, 309481, 618962, 928443, 1237924, 1547405, 1856886, 2166367, 3094810, 3713772, 4332734, 4642215, 6189620, 6499101, 8665468, 9284430, 10831835, 12998202, 18568860, 21663670, 25996404, 32495505, 43327340, 64991010, 129982020]

約数ペア:

[(1, 129982020), (2, 64991010), (3, 43327340), (4, 32495505), (5, 25996404), (6, 21663670), (7, 18568860), (10, 12998202), (12, 10831835), (14, 9284430), (15, 8665468), (20, 6499101), (21, 6189620), (28, 4642215), (30, 4332734), (35, 3713772), (42, 3094810), (60, 2166367), (70, 1856886), (84, 1547405), (105, 1237924), (140, 928443), (210, 618962), (420, 309481)]