399300861940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{3897139}}^1$

素因数の和:3897304

約数の個数: 48

約数和(自身を含む): 864229766400

約数和(自身を除く): 464928904460

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 188, 218, 235, 436, 470, 545, 940, 1090, 2180, 5123, 10246, 20492, 25615, 51230, 102460, 3897139, 7794278, 15588556, 19485695, 38971390, 77942780, 183165533, 366331066, 424788151, 732662132, 849576302, 915827665, 1699152604, 1831655330, 2123940755, 3663310660, 4247881510, 8495763020, 19965043097, 39930086194, 79860172388, 99825215485, 199650430970, 399300861940]

約数ペア:

[(1, 399300861940), (2, 199650430970), (4, 99825215485), (5, 79860172388), (10, 39930086194), (20, 19965043097), (47, 8495763020), (94, 4247881510), (109, 3663310660), (188, 2123940755), (218, 1831655330), (235, 1699152604), (436, 915827665), (470, 849576302), (545, 732662132), (940, 424788151), (1090, 366331066), (2180, 183165533), (5123, 77942780), (10246, 38971390), (20492, 19485695), (25615, 15588556), (51230, 7794278), (102460, 3897139)]