254185870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1197

約数の個数: 64

約数和(自身を含む): 512282880

約数和(自身を除く): 258097010

約数列:

[1, 2, 5, 10, 17, 29, 34, 47, 58, 85, 94, 145, 170, 235, 290, 470, 493, 799, 986, 1097, 1363, 1598, 2194, 2465, 2726, 3995, 4930, 5485, 6815, 7990, 10970, 13630, 18649, 23171, 31813, 37298, 46342, 51559, 63626, 93245, 103118, 115855, 159065, 186490, 231710, 257795, 318130, 515590, 540821, 876503, 1081642, 1495211, 1753006, 2704105, 2990422, 4382515, 5408210, 7476055, 8765030, 14952110, 25418587, 50837174, 127092935, 254185870]

約数ペア:

[(1, 254185870), (2, 127092935), (5, 50837174), (10, 25418587), (17, 14952110), (29, 8765030), (34, 7476055), (47, 5408210), (58, 4382515), (85, 2990422), (94, 2704105), (145, 1753006), (170, 1495211), (235, 1081642), (290, 876503), (470, 540821), (493, 515590), (799, 318130), (986, 257795), (1097, 231710), (1363, 186490), (1598, 159065), (2194, 115855), (2465, 103118), (2726, 93245), (3995, 63626), (4930, 51559), (5485, 46342), (6815, 37298), (7990, 31813), (10970, 23171), (13630, 18649)]