3488540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 8122464

約数和(自身を除く): 4633924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 157, 202, 220, 314, 404, 505, 628, 785, 1010, 1111, 1570, 1727, 2020, 2222, 3140, 3454, 4444, 5555, 6908, 8635, 11110, 15857, 17270, 22220, 31714, 34540, 63428, 79285, 158570, 174427, 317140, 348854, 697708, 872135, 1744270, 3488540]

約数ペア:

[(1, 3488540), (2, 1744270), (4, 872135), (5, 697708), (10, 348854), (11, 317140), (20, 174427), (22, 158570), (44, 79285), (55, 63428), (101, 34540), (110, 31714), (157, 22220), (202, 17270), (220, 15857), (314, 11110), (404, 8635), (505, 6908), (628, 5555), (785, 4444), (1010, 3454), (1111, 3140), (1570, 2222), (1727, 2020)]