157219420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1759}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 341510400

約数和(自身を除く): 184290980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 1759, 2180, 3518, 4469, 7036, 8795, 8938, 17590, 17876, 22345, 35180, 44690, 72119, 89380, 144238, 191731, 288476, 360595, 383462, 721190, 766924, 958655, 1442380, 1917310, 3834620, 7860971, 15721942, 31443884, 39304855, 78609710, 157219420]

約数ペア:

[(1, 157219420), (2, 78609710), (4, 39304855), (5, 31443884), (10, 15721942), (20, 7860971), (41, 3834620), (82, 1917310), (109, 1442380), (164, 958655), (205, 766924), (218, 721190), (410, 383462), (436, 360595), (545, 288476), (820, 191731), (1090, 144238), (1759, 89380), (2180, 72119), (3518, 44690), (4469, 35180), (7036, 22345), (8795, 17876), (8938, 17590)]