311282140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1197239}}^1$

素因数の和:1197261

約数の個数: 24

約数和(自身を含む): 703977120

約数和(自身を除く): 392694980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1197239, 2394478, 4788956, 5986195, 11972390, 15564107, 23944780, 31128214, 62256428, 77820535, 155641070, 311282140]

約数ペア:

[(1, 311282140), (2, 155641070), (4, 77820535), (5, 62256428), (10, 31128214), (13, 23944780), (20, 15564107), (26, 11972390), (52, 5986195), (65, 4788956), (130, 2394478), (260, 1197239)]