2492140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2543}}^1$

素因数の和:2566

約数の個数: 36

約数和(自身を含む): 6090336

約数和(自身を除く): 3598196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2543, 5086, 10172, 12715, 17801, 25430, 35602, 50860, 71204, 89005, 124607, 178010, 249214, 356020, 498428, 623035, 1246070, 2492140]

約数ペア:

[(1, 2492140), (2, 1246070), (4, 623035), (5, 498428), (7, 356020), (10, 249214), (14, 178010), (20, 124607), (28, 89005), (35, 71204), (49, 50860), (70, 35602), (98, 25430), (140, 17801), (196, 12715), (245, 10172), (490, 5086), (980, 2543)]