28206950

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 54847680

約数和(自身を除く): 26640730

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 79, 158, 185, 193, 370, 386, 395, 790, 925, 965, 1850, 1930, 1975, 2923, 3950, 4825, 5846, 7141, 9650, 14282, 14615, 15247, 29230, 30494, 35705, 71410, 73075, 76235, 146150, 152470, 178525, 357050, 381175, 564139, 762350, 1128278, 2820695, 5641390, 14103475, 28206950]

約数ペア:

[(1, 28206950), (2, 14103475), (5, 5641390), (10, 2820695), (25, 1128278), (37, 762350), (50, 564139), (74, 381175), (79, 357050), (158, 178525), (185, 152470), (193, 146150), (370, 76235), (386, 73075), (395, 71410), (790, 35705), (925, 30494), (965, 29230), (1850, 15247), (1930, 14615), (1975, 14282), (2923, 9650), (3950, 7141), (4825, 5846)]