297794890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{8161}}^1$

素因数の和:8298

約数の個数: 32

約数和(自身を含む): 555342480

約数和(自身を除く): 257547590

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 3649, 7298, 8161, 16322, 18245, 36490, 40805, 81610, 334601, 669202, 726329, 1452658, 1673005, 3346010, 3631645, 7263290, 29779489, 59558978, 148897445, 297794890]

約数ペア:

[(1, 297794890), (2, 148897445), (5, 59558978), (10, 29779489), (41, 7263290), (82, 3631645), (89, 3346010), (178, 1673005), (205, 1452658), (410, 726329), (445, 669202), (890, 334601), (3649, 81610), (7298, 40805), (8161, 36490), (16322, 18245)]