28507010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{907}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 58838400

約数和(自身を除く): 30331390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 449, 898, 907, 1814, 2245, 3143, 4490, 4535, 6286, 6349, 9070, 12698, 15715, 31430, 31745, 63490, 407243, 814486, 2036215, 2850701, 4072430, 5701402, 14253505, 28507010]

約数ペア:

[(1, 28507010), (2, 14253505), (5, 5701402), (7, 4072430), (10, 2850701), (14, 2036215), (35, 814486), (70, 407243), (449, 63490), (898, 31745), (907, 31430), (1814, 15715), (2245, 12698), (3143, 9070), (4490, 6349), (4535, 6286)]