1892780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 4445280

約数和(自身を除く): 2552500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 293, 323, 340, 380, 586, 646, 1172, 1292, 1465, 1615, 2930, 3230, 4981, 5567, 5860, 6460, 9962, 11134, 19924, 22268, 24905, 27835, 49810, 55670, 94639, 99620, 111340, 189278, 378556, 473195, 946390, 1892780]

約数ペア:

[(1, 1892780), (2, 946390), (4, 473195), (5, 378556), (10, 189278), (17, 111340), (19, 99620), (20, 94639), (34, 55670), (38, 49810), (68, 27835), (76, 24905), (85, 22268), (95, 19924), (170, 11134), (190, 9962), (293, 6460), (323, 5860), (340, 5567), (380, 4981), (586, 3230), (646, 2930), (1172, 1615), (1292, 1465)]