7140700

素因数分解:

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

素因数の和:223

約数の個数: 54

約数和(自身を含む): 17886008

約数和(自身を除く): 10745308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 404, 505, 700, 707, 1010, 1414, 2020, 2525, 2828, 3535, 5050, 7070, 10100, 10201, 14140, 17675, 20402, 35350, 40804, 51005, 70700, 71407, 102010, 142814, 204020, 255025, 285628, 357035, 510050, 714070, 1020100, 1428140, 1785175, 3570350, 7140700]

約数ペア:

[(1, 7140700), (2, 3570350), (4, 1785175), (5, 1428140), (7, 1020100), (10, 714070), (14, 510050), (20, 357035), (25, 285628), (28, 255025), (35, 204020), (50, 142814), (70, 102010), (100, 71407), (101, 70700), (140, 51005), (175, 40804), (202, 35350), (350, 20402), (404, 17675), (505, 14140), (700, 10201), (707, 10100), (1010, 7070), (1414, 5050), (2020, 3535), (2525, 2828)]