212100

素因数分解:

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

素因数の和:125

約数の個数: 72

約数和(自身を含む): 708288

約数和(自身を除く): 496188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 101, 105, 140, 150, 175, 202, 210, 300, 303, 350, 404, 420, 505, 525, 606, 700, 707, 1010, 1050, 1212, 1414, 1515, 2020, 2100, 2121, 2525, 2828, 3030, 3535, 4242, 5050, 6060, 7070, 7575, 8484, 10100, 10605, 14140, 15150, 17675, 21210, 30300, 35350, 42420, 53025, 70700, 106050, 212100]

約数ペア:

[(1, 212100), (2, 106050), (3, 70700), (4, 53025), (5, 42420), (6, 35350), (7, 30300), (10, 21210), (12, 17675), (14, 15150), (15, 14140), (20, 10605), (21, 10100), (25, 8484), (28, 7575), (30, 7070), (35, 6060), (42, 5050), (50, 4242), (60, 3535), (70, 3030), (75, 2828), (84, 2525), (100, 2121), (101, 2100), (105, 2020), (140, 1515), (150, 1414), (175, 1212), (202, 1050), (210, 1010), (300, 707), (303, 700), (350, 606), (404, 525), (420, 505)]