30921400

素因数分解:

$2^3\times 5^2\times {\mathrm{349}}^1\times {\mathrm{443}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 72261000

約数和(自身を除く): 41339600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 349, 443, 698, 886, 1396, 1745, 1772, 2215, 2792, 3490, 3544, 4430, 6980, 8725, 8860, 11075, 13960, 17450, 17720, 22150, 34900, 44300, 69800, 88600, 154607, 309214, 618428, 773035, 1236856, 1546070, 3092140, 3865175, 6184280, 7730350, 15460700, 30921400]

約数ペア:

[(1, 30921400), (2, 15460700), (4, 7730350), (5, 6184280), (8, 3865175), (10, 3092140), (20, 1546070), (25, 1236856), (40, 773035), (50, 618428), (100, 309214), (200, 154607), (349, 88600), (443, 69800), (698, 44300), (886, 34900), (1396, 22150), (1745, 17720), (1772, 17450), (2215, 13960), (2792, 11075), (3490, 8860), (3544, 8725), (4430, 6980)]