2816980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 6015240

約数和(自身を除く): 3198260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2309, 4618, 9236, 11545, 23090, 46180, 140849, 281698, 563396, 704245, 1408490, 2816980]

約数ペア:

[(1, 2816980), (2, 1408490), (4, 704245), (5, 563396), (10, 281698), (20, 140849), (61, 46180), (122, 23090), (244, 11545), (305, 9236), (610, 4618), (1220, 2309)]