2856280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^2$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 7418160

約数和(自身を除く): 4561880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2828, 3535, 4040, 5656, 7070, 10201, 14140, 20402, 28280, 40804, 51005, 71407, 81608, 102010, 142814, 204020, 285628, 357035, 408040, 571256, 714070, 1428140, 2856280]

約数ペア:

[(1, 2856280), (2, 1428140), (4, 714070), (5, 571256), (7, 408040), (8, 357035), (10, 285628), (14, 204020), (20, 142814), (28, 102010), (35, 81608), (40, 71407), (56, 51005), (70, 40804), (101, 28280), (140, 20402), (202, 14140), (280, 10201), (404, 7070), (505, 5656), (707, 4040), (808, 3535), (1010, 2828), (1414, 2020)]