704140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 1663200

約数和(自身を除く): 959060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 109, 170, 190, 218, 323, 340, 380, 436, 545, 646, 1090, 1292, 1615, 1853, 2071, 2180, 3230, 3706, 4142, 6460, 7412, 8284, 9265, 10355, 18530, 20710, 35207, 37060, 41420, 70414, 140828, 176035, 352070, 704140]

約数ペア:

[(1, 704140), (2, 352070), (4, 176035), (5, 140828), (10, 70414), (17, 41420), (19, 37060), (20, 35207), (34, 20710), (38, 18530), (68, 10355), (76, 9265), (85, 8284), (95, 7412), (109, 6460), (170, 4142), (190, 3706), (218, 3230), (323, 2180), (340, 2071), (380, 1853), (436, 1615), (545, 1292), (646, 1090)]