9218860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 23556960

約数和(自身を除く): 14338100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 409, 460, 490, 644, 805, 818, 980, 1127, 1610, 1636, 2045, 2254, 2863, 3220, 4090, 4508, 5635, 5726, 8180, 9407, 11270, 11452, 14315, 18814, 20041, 22540, 28630, 37628, 40082, 47035, 57260, 65849, 80164, 94070, 100205, 131698, 188140, 200410, 263396, 329245, 400820, 460943, 658490, 921886, 1316980, 1843772, 2304715, 4609430, 9218860]

約数ペア:

[(1, 9218860), (2, 4609430), (4, 2304715), (5, 1843772), (7, 1316980), (10, 921886), (14, 658490), (20, 460943), (23, 400820), (28, 329245), (35, 263396), (46, 200410), (49, 188140), (70, 131698), (92, 100205), (98, 94070), (115, 80164), (140, 65849), (161, 57260), (196, 47035), (230, 40082), (245, 37628), (322, 28630), (409, 22540), (460, 20041), (490, 18814), (644, 14315), (805, 11452), (818, 11270), (980, 9407), (1127, 8180), (1610, 5726), (1636, 5635), (2045, 4508), (2254, 4090), (2863, 3220)]