1298105840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{854017}}^1$

素因数の和:854049

約数の個数: 40

約数和(自身を含む): 3176946960

約数和(自身を除く): 1878841120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 854017, 1708034, 3416068, 4270085, 6832136, 8540170, 13664272, 16226323, 17080340, 32452646, 34160680, 64905292, 68321360, 81131615, 129810584, 162263230, 259621168, 324526460, 649052920, 1298105840]

約数ペア:

[(1, 1298105840), (2, 649052920), (4, 324526460), (5, 259621168), (8, 162263230), (10, 129810584), (16, 81131615), (19, 68321360), (20, 64905292), (38, 34160680), (40, 32452646), (76, 17080340), (80, 16226323), (95, 13664272), (152, 8540170), (190, 6832136), (304, 4270085), (380, 3416068), (760, 1708034), (1520, 854017)]