28320670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 60342624

約数和(自身を除く): 32021954

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 421, 434, 842, 961, 1085, 1922, 2105, 2170, 2947, 4210, 4805, 5894, 6727, 9610, 13051, 13454, 14735, 26102, 29470, 33635, 65255, 67270, 91357, 130510, 182714, 404581, 456785, 809162, 913570, 2022905, 2832067, 4045810, 5664134, 14160335, 28320670]

約数ペア:

[(1, 28320670), (2, 14160335), (5, 5664134), (7, 4045810), (10, 2832067), (14, 2022905), (31, 913570), (35, 809162), (62, 456785), (70, 404581), (155, 182714), (217, 130510), (310, 91357), (421, 67270), (434, 65255), (842, 33635), (961, 29470), (1085, 26102), (1922, 14735), (2105, 13454), (2170, 13051), (2947, 9610), (4210, 6727), (4805, 5894)]