255499460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{39551}}^1$

素因数の和:39596

約数の個数: 48

約数和(自身を含む): 598026240

約数和(自身を除く): 342526780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 39551, 79102, 158204, 197755, 395510, 672367, 751469, 791020, 1344734, 1502938, 2689468, 3005876, 3361835, 3757345, 6723670, 7514690, 12774973, 13447340, 15029380, 25549946, 51099892, 63874865, 127749730, 255499460]

約数ペア:

[(1, 255499460), (2, 127749730), (4, 63874865), (5, 51099892), (10, 25549946), (17, 15029380), (19, 13447340), (20, 12774973), (34, 7514690), (38, 6723670), (68, 3757345), (76, 3361835), (85, 3005876), (95, 2689468), (170, 1502938), (190, 1344734), (323, 791020), (340, 751469), (380, 672367), (646, 395510), (1292, 197755), (1615, 158204), (3230, 79102), (6460, 39551)]