660280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 1574640

約数和(自身を除く): 914360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 971, 1942, 3884, 4855, 7768, 9710, 16507, 19420, 33014, 38840, 66028, 82535, 132056, 165070, 330140, 660280]

約数ペア:

[(1, 660280), (2, 330140), (4, 165070), (5, 132056), (8, 82535), (10, 66028), (17, 38840), (20, 33014), (34, 19420), (40, 16507), (68, 9710), (85, 7768), (136, 4855), (170, 3884), (340, 1942), (680, 971)]