289746730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{318403}}^1$

素因数の和:318430

約数の個数: 32

約数和(自身を含む): 641902464

約数和(自身を除く): 352155734

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 318403, 636806, 1592015, 2228821, 3184030, 4139239, 4457642, 8278478, 11144105, 20696195, 22288210, 28974673, 41392390, 57949346, 144873365, 289746730]

約数ペア:

[(1, 289746730), (2, 144873365), (5, 57949346), (7, 41392390), (10, 28974673), (13, 22288210), (14, 20696195), (26, 11144105), (35, 8278478), (65, 4457642), (70, 4139239), (91, 3184030), (130, 2228821), (182, 1592015), (455, 636806), (910, 318403)]