28406380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 63967680

約数和(自身を除く): 35561300

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1669, 1702, 3338, 3404, 4255, 6676, 8345, 8510, 16690, 17020, 33380, 38387, 61753, 76774, 123506, 153548, 191935, 247012, 308765, 383870, 617530, 767740, 1235060, 1420319, 2840638, 5681276, 7101595, 14203190, 28406380]

約数ペア:

[(1, 28406380), (2, 14203190), (4, 7101595), (5, 5681276), (10, 2840638), (20, 1420319), (23, 1235060), (37, 767740), (46, 617530), (74, 383870), (92, 308765), (115, 247012), (148, 191935), (185, 153548), (230, 123506), (370, 76774), (460, 61753), (740, 38387), (851, 33380), (1669, 17020), (1702, 16690), (3338, 8510), (3404, 8345), (4255, 6676)]