91909580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4723}}^1$

素因数の和:4878

約数の個数: 48

約数和(自身を含む): 222216960

約数和(自身を除く): 130307380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4723, 4865, 9446, 9730, 18892, 19460, 23615, 33061, 47230, 66122, 94460, 132244, 165305, 330610, 656497, 661220, 1312994, 2625988, 3282485, 4595479, 6564970, 9190958, 13129940, 18381916, 22977395, 45954790, 91909580]

約数ペア:

[(1, 91909580), (2, 45954790), (4, 22977395), (5, 18381916), (7, 13129940), (10, 9190958), (14, 6564970), (20, 4595479), (28, 3282485), (35, 2625988), (70, 1312994), (139, 661220), (140, 656497), (278, 330610), (556, 165305), (695, 132244), (973, 94460), (1390, 66122), (1946, 47230), (2780, 33061), (3892, 23615), (4723, 19460), (4865, 18892), (9446, 9730)]