30909800

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{4177}}^1$

素因数の和:4230

約数の個数: 48

約数和(自身を含む): 73825260

約数和(自身を除く): 42915460

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 3700, 4177, 7400, 8354, 16708, 20885, 33416, 41770, 83540, 104425, 154549, 167080, 208850, 309098, 417700, 618196, 772745, 835400, 1236392, 1545490, 3090980, 3863725, 6181960, 7727450, 15454900, 30909800]

約数ペア:

[(1, 30909800), (2, 15454900), (4, 7727450), (5, 6181960), (8, 3863725), (10, 3090980), (20, 1545490), (25, 1236392), (37, 835400), (40, 772745), (50, 618196), (74, 417700), (100, 309098), (148, 208850), (185, 167080), (200, 154549), (296, 104425), (370, 83540), (740, 41770), (925, 33416), (1480, 20885), (1850, 16708), (3700, 8354), (4177, 7400)]