258133780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{7517}}^1$

素因数の和:7644

約数の個数: 48

約数和(自身を含む): 579728016

約数和(自身を除く): 321594236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 2020, 3434, 6868, 7517, 8585, 15034, 17170, 30068, 34340, 37585, 75170, 127789, 150340, 255578, 511156, 638945, 759217, 1277890, 1518434, 2555780, 3036868, 3796085, 7592170, 12906689, 15184340, 25813378, 51626756, 64533445, 129066890, 258133780]

約数ペア:

[(1, 258133780), (2, 129066890), (4, 64533445), (5, 51626756), (10, 25813378), (17, 15184340), (20, 12906689), (34, 7592170), (68, 3796085), (85, 3036868), (101, 2555780), (170, 1518434), (202, 1277890), (340, 759217), (404, 638945), (505, 511156), (1010, 255578), (1717, 150340), (2020, 127789), (3434, 75170), (6868, 37585), (7517, 34340), (8585, 30068), (15034, 17170)]