1999334450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{2971}}^1$

素因数の和:3339

約数の個数: 48

約数和(自身を含む): 3818687136

約数和(自身を除く): 1819352686

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 313, 430, 626, 1075, 1565, 2150, 2971, 3130, 5942, 7825, 13459, 14855, 15650, 26918, 29710, 67295, 74275, 127753, 134590, 148550, 255506, 336475, 638765, 672950, 929923, 1277530, 1859846, 3193825, 4649615, 6387650, 9299230, 23248075, 39986689, 46496150, 79973378, 199933445, 399866890, 999667225, 1999334450]

約数ペア:

[(1, 1999334450), (2, 999667225), (5, 399866890), (10, 199933445), (25, 79973378), (43, 46496150), (50, 39986689), (86, 23248075), (215, 9299230), (313, 6387650), (430, 4649615), (626, 3193825), (1075, 1859846), (1565, 1277530), (2150, 929923), (2971, 672950), (3130, 638765), (5942, 336475), (7825, 255506), (13459, 148550), (14855, 134590), (15650, 127753), (26918, 74275), (29710, 67295)]