209120830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{2399}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 393984000

約数和(自身を除く): 184863170

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 379, 758, 1895, 2399, 3790, 4798, 8717, 11995, 17434, 23990, 43585, 55177, 87170, 110354, 275885, 551770, 909221, 1818442, 4546105, 9092210, 20912083, 41824166, 104560415, 209120830]

約数ペア:

[(1, 209120830), (2, 104560415), (5, 41824166), (10, 20912083), (23, 9092210), (46, 4546105), (115, 1818442), (230, 909221), (379, 551770), (758, 275885), (1895, 110354), (2399, 87170), (3790, 55177), (4798, 43585), (8717, 23990), (11995, 17434)]