218974160

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{18127}}^1$

素因数の和:18291

約数の個数: 40

約数和(自身を含む): 512514816

約数和(自身を除く): 293540656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 18127, 36254, 72508, 90635, 145016, 181270, 290032, 362540, 725080, 1450160, 2737177, 5474354, 10948708, 13685885, 21897416, 27371770, 43794832, 54743540, 109487080, 218974160]

約数ペア:

[(1, 218974160), (2, 109487080), (4, 54743540), (5, 43794832), (8, 27371770), (10, 21897416), (16, 13685885), (20, 10948708), (40, 5474354), (80, 2737177), (151, 1450160), (302, 725080), (604, 362540), (755, 290032), (1208, 181270), (1510, 145016), (2416, 90635), (3020, 72508), (6040, 36254), (12080, 18127)]