28391230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 59922720

約数和(自身を除く): 31531490

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 109, 122, 218, 305, 427, 545, 610, 763, 854, 1090, 1526, 2135, 3721, 3815, 4270, 6649, 7442, 7630, 13298, 18605, 26047, 33245, 37210, 46543, 52094, 66490, 93086, 130235, 232715, 260470, 405589, 465430, 811178, 2027945, 2839123, 4055890, 5678246, 14195615, 28391230]

約数ペア:

[(1, 28391230), (2, 14195615), (5, 5678246), (7, 4055890), (10, 2839123), (14, 2027945), (35, 811178), (61, 465430), (70, 405589), (109, 260470), (122, 232715), (218, 130235), (305, 93086), (427, 66490), (545, 52094), (610, 46543), (763, 37210), (854, 33245), (1090, 26047), (1526, 18605), (2135, 13298), (3721, 7630), (3815, 7442), (4270, 6649)]