30291320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{39857}}^1$

素因数の和:39887

約数の個数: 32

約数和(自身を含む): 71744400

約数和(自身を除く): 41453080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 39857, 79714, 159428, 199285, 318856, 398570, 757283, 797140, 1514566, 1594280, 3029132, 3786415, 6058264, 7572830, 15145660, 30291320]

約数ペア:

[(1, 30291320), (2, 15145660), (4, 7572830), (5, 6058264), (8, 3786415), (10, 3029132), (19, 1594280), (20, 1514566), (38, 797140), (40, 757283), (76, 398570), (95, 318856), (152, 199285), (190, 159428), (380, 79714), (760, 39857)]