9786220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 22044960

約数和(自身を除く): 12258740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 269, 340, 428, 535, 538, 1070, 1076, 1345, 1819, 2140, 2690, 3638, 4573, 5380, 7276, 9095, 9146, 18190, 18292, 22865, 28783, 36380, 45730, 57566, 91460, 115132, 143915, 287830, 489311, 575660, 978622, 1957244, 2446555, 4893110, 9786220]

約数ペア:

[(1, 9786220), (2, 4893110), (4, 2446555), (5, 1957244), (10, 978622), (17, 575660), (20, 489311), (34, 287830), (68, 143915), (85, 115132), (107, 91460), (170, 57566), (214, 45730), (269, 36380), (340, 28783), (428, 22865), (535, 18292), (538, 18190), (1070, 9146), (1076, 9095), (1345, 7276), (1819, 5380), (2140, 4573), (2690, 3638)]