1739440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 4285440

約数和(自身を除く): 2546000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1279, 1360, 2558, 5116, 6395, 10232, 12790, 20464, 21743, 25580, 43486, 51160, 86972, 102320, 108715, 173944, 217430, 347888, 434860, 869720, 1739440]

約数ペア:

[(1, 1739440), (2, 869720), (4, 434860), (5, 347888), (8, 217430), (10, 173944), (16, 108715), (17, 102320), (20, 86972), (34, 51160), (40, 43486), (68, 25580), (80, 21743), (85, 20464), (136, 12790), (170, 10232), (272, 6395), (340, 5116), (680, 2558), (1279, 1360)]