17891260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 39362400

約数和(自身を除く): 21471140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 283, 290, 436, 545, 566, 580, 1090, 1132, 1415, 2180, 2830, 3161, 5660, 6322, 8207, 12644, 15805, 16414, 30847, 31610, 32828, 41035, 61694, 63220, 82070, 123388, 154235, 164140, 308470, 616940, 894563, 1789126, 3578252, 4472815, 8945630, 17891260]

約数ペア:

[(1, 17891260), (2, 8945630), (4, 4472815), (5, 3578252), (10, 1789126), (20, 894563), (29, 616940), (58, 308470), (109, 164140), (116, 154235), (145, 123388), (218, 82070), (283, 63220), (290, 61694), (436, 41035), (545, 32828), (566, 31610), (580, 30847), (1090, 16414), (1132, 15805), (1415, 12644), (2180, 8207), (2830, 6322), (3161, 5660)]