2809910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 5564160

約数和(自身を除く): 2754250

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 643, 874, 1286, 2185, 3215, 4370, 6430, 12217, 14789, 24434, 29578, 61085, 73945, 122170, 147890, 280991, 561982, 1404955, 2809910]

約数ペア:

[(1, 2809910), (2, 1404955), (5, 561982), (10, 280991), (19, 147890), (23, 122170), (38, 73945), (46, 61085), (95, 29578), (115, 24434), (190, 14789), (230, 12217), (437, 6430), (643, 4370), (874, 3215), (1286, 2185)]