9021980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 21579264

約数和(自身を除く): 12557284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1783, 2530, 3566, 5060, 7132, 8915, 17830, 19613, 35660, 39226, 41009, 78452, 82018, 98065, 164036, 196130, 205045, 392260, 410090, 451099, 820180, 902198, 1804396, 2255495, 4510990, 9021980]

約数ペア:

[(1, 9021980), (2, 4510990), (4, 2255495), (5, 1804396), (10, 902198), (11, 820180), (20, 451099), (22, 410090), (23, 392260), (44, 205045), (46, 196130), (55, 164036), (92, 98065), (110, 82018), (115, 78452), (220, 41009), (230, 39226), (253, 35660), (460, 19613), (506, 17830), (1012, 8915), (1265, 7132), (1783, 5060), (2530, 3566)]