28350700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 71182944

約数和(自身を除く): 42832244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 401, 404, 505, 700, 707, 802, 1010, 1414, 1604, 2005, 2020, 2525, 2807, 2828, 3535, 4010, 5050, 5614, 7070, 8020, 10025, 10100, 11228, 14035, 14140, 17675, 20050, 28070, 35350, 40100, 40501, 56140, 70175, 70700, 81002, 140350, 162004, 202505, 280700, 283507, 405010, 567014, 810020, 1012525, 1134028, 1417535, 2025050, 2835070, 4050100, 5670140, 7087675, 14175350, 28350700]

約数ペア:

[(1, 28350700), (2, 14175350), (4, 7087675), (5, 5670140), (7, 4050100), (10, 2835070), (14, 2025050), (20, 1417535), (25, 1134028), (28, 1012525), (35, 810020), (50, 567014), (70, 405010), (100, 283507), (101, 280700), (140, 202505), (175, 162004), (202, 140350), (350, 81002), (401, 70700), (404, 70175), (505, 56140), (700, 40501), (707, 40100), (802, 35350), (1010, 28070), (1414, 20050), (1604, 17675), (2005, 14140), (2020, 14035), (2525, 11228), (2807, 10100), (2828, 10025), (3535, 8020), (4010, 7070), (5050, 5614)]