28476980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1901}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 69019776

約数和(自身を除く): 40542796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 1901, 2140, 2996, 3745, 3802, 7490, 7604, 9505, 13307, 14980, 19010, 26614, 38020, 53228, 66535, 133070, 203407, 266140, 406814, 813628, 1017035, 1423849, 2034070, 2847698, 4068140, 5695396, 7119245, 14238490, 28476980]

約数ペア:

[(1, 28476980), (2, 14238490), (4, 7119245), (5, 5695396), (7, 4068140), (10, 2847698), (14, 2034070), (20, 1423849), (28, 1017035), (35, 813628), (70, 406814), (107, 266140), (140, 203407), (214, 133070), (428, 66535), (535, 53228), (749, 38020), (1070, 26614), (1498, 19010), (1901, 14980), (2140, 13307), (2996, 9505), (3745, 7604), (3802, 7490)]