30897220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 68257728

約数和(自身を除く): 37360508

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 971, 1591, 1942, 3182, 3884, 4855, 6364, 7955, 9710, 15910, 19420, 31820, 35927, 41753, 71854, 83506, 143708, 167012, 179635, 208765, 359270, 417530, 718540, 835060, 1544861, 3089722, 6179444, 7724305, 15448610, 30897220]

約数ペア:

[(1, 30897220), (2, 15448610), (4, 7724305), (5, 6179444), (10, 3089722), (20, 1544861), (37, 835060), (43, 718540), (74, 417530), (86, 359270), (148, 208765), (172, 179635), (185, 167012), (215, 143708), (370, 83506), (430, 71854), (740, 41753), (860, 35927), (971, 31820), (1591, 19420), (1942, 15910), (3182, 9710), (3884, 7955), (4855, 6364)]