28294700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 71162112

約数和(自身を除く): 42867412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 83, 100, 140, 166, 175, 332, 350, 415, 487, 581, 700, 830, 974, 1162, 1660, 1948, 2075, 2324, 2435, 2905, 3409, 4150, 4870, 5810, 6818, 8300, 9740, 11620, 12175, 13636, 14525, 17045, 24350, 29050, 34090, 40421, 48700, 58100, 68180, 80842, 85225, 161684, 170450, 202105, 282947, 340900, 404210, 565894, 808420, 1010525, 1131788, 1414735, 2021050, 2829470, 4042100, 5658940, 7073675, 14147350, 28294700]

約数ペア:

[(1, 28294700), (2, 14147350), (4, 7073675), (5, 5658940), (7, 4042100), (10, 2829470), (14, 2021050), (20, 1414735), (25, 1131788), (28, 1010525), (35, 808420), (50, 565894), (70, 404210), (83, 340900), (100, 282947), (140, 202105), (166, 170450), (175, 161684), (332, 85225), (350, 80842), (415, 68180), (487, 58100), (581, 48700), (700, 40421), (830, 34090), (974, 29050), (1162, 24350), (1660, 17045), (1948, 14525), (2075, 13636), (2324, 12175), (2435, 11620), (2905, 9740), (3409, 8300), (4150, 6818), (4870, 5810)]