869720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 2073600

約数和(自身を除く): 1203880

約数列:

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

約数ペア:

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