686210030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2273

約数の個数: 64

約数和(自身を含む): 1400426496

約数和(自身を除く): 714216466

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 71, 82, 110, 142, 205, 355, 410, 451, 710, 781, 902, 1562, 2143, 2255, 2911, 3905, 4286, 4510, 5822, 7810, 10715, 14555, 21430, 23573, 29110, 32021, 47146, 64042, 87863, 117865, 152153, 160105, 175726, 235730, 304306, 320210, 439315, 760765, 878630, 966493, 1521530, 1673683, 1932986, 3347366, 4832465, 6238273, 8368415, 9664930, 12476546, 16736830, 31191365, 62382730, 68621003, 137242006, 343105015, 686210030]

約数ペア:

[(1, 686210030), (2, 343105015), (5, 137242006), (10, 68621003), (11, 62382730), (22, 31191365), (41, 16736830), (55, 12476546), (71, 9664930), (82, 8368415), (110, 6238273), (142, 4832465), (205, 3347366), (355, 1932986), (410, 1673683), (451, 1521530), (710, 966493), (781, 878630), (902, 760765), (1562, 439315), (2143, 320210), (2255, 304306), (2911, 235730), (3905, 175726), (4286, 160105), (4510, 152153), (5822, 117865), (7810, 87863), (10715, 64042), (14555, 47146), (21430, 32021), (23573, 29110)]