1640394910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2130383}}^1$

素因数の和:2130408

約数の個数: 32

約数和(自身を含む): 3681303552

約数和(自身を除く): 2040908642

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 2130383, 4260766, 10651915, 14912681, 21303830, 23434213, 29825362, 46868426, 74563405, 117171065, 149126810, 164039491, 234342130, 328078982, 820197455, 1640394910]

約数ペア:

[(1, 1640394910), (2, 820197455), (5, 328078982), (7, 234342130), (10, 164039491), (11, 149126810), (14, 117171065), (22, 74563405), (35, 46868426), (55, 29825362), (70, 23434213), (77, 21303830), (110, 14912681), (154, 10651915), (385, 4260766), (770, 2130383)]