28022820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66721}}^1$

素因数の和:66740

約数の個数: 48

約数和(自身を含む): 89674368

約数和(自身を除く): 61651548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 66721, 133442, 200163, 266884, 333605, 400326, 467047, 667210, 800652, 934094, 1000815, 1334420, 1401141, 1868188, 2001630, 2335235, 2802282, 4003260, 4670470, 5604564, 7005705, 9340940, 14011410, 28022820]

約数ペア:

[(1, 28022820), (2, 14011410), (3, 9340940), (4, 7005705), (5, 5604564), (6, 4670470), (7, 4003260), (10, 2802282), (12, 2335235), (14, 2001630), (15, 1868188), (20, 1401141), (21, 1334420), (28, 1000815), (30, 934094), (35, 800652), (42, 667210), (60, 467047), (70, 400326), (84, 333605), (105, 266884), (140, 200163), (210, 133442), (420, 66721)]