4988390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 9914400

約数和(自身を除く): 4926010

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 449, 505, 898, 1010, 1111, 2222, 2245, 4490, 4939, 5555, 9878, 11110, 24695, 45349, 49390, 90698, 226745, 453490, 498839, 997678, 2494195, 4988390]

約数ペア:

[(1, 4988390), (2, 2494195), (5, 997678), (10, 498839), (11, 453490), (22, 226745), (55, 90698), (101, 49390), (110, 45349), (202, 24695), (449, 11110), (505, 9878), (898, 5555), (1010, 4939), (1111, 4490), (2222, 2245)]