2017012020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{473477}}^1$

素因数の和:473560

約数の個数: 48

約数和(自身を含む): 5727189888

約数和(自身を除く): 3710177868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 473477, 946954, 1420431, 1893908, 2367385, 2840862, 4734770, 5681724, 7102155, 9469540, 14204310, 28408620, 33616867, 67233734, 100850601, 134467468, 168084335, 201701202, 336168670, 403402404, 504253005, 672337340, 1008506010, 2017012020]

約数ペア:

[(1, 2017012020), (2, 1008506010), (3, 672337340), (4, 504253005), (5, 403402404), (6, 336168670), (10, 201701202), (12, 168084335), (15, 134467468), (20, 100850601), (30, 67233734), (60, 33616867), (71, 28408620), (142, 14204310), (213, 9469540), (284, 7102155), (355, 5681724), (426, 4734770), (710, 2840862), (852, 2367385), (1065, 1893908), (1420, 1420431), (2130, 946954), (4260, 473477)]