28860860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8963}}^1$

素因数の和:9002

約数の個数: 48

約数和(自身を含む): 72285696

約数和(自身を除く): 43424836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8963, 17926, 35852, 44815, 62741, 89630, 125482, 179260, 206149, 250964, 313705, 412298, 627410, 824596, 1030745, 1254820, 1443043, 2061490, 2886086, 4122980, 5772172, 7215215, 14430430, 28860860]

約数ペア:

[(1, 28860860), (2, 14430430), (4, 7215215), (5, 5772172), (7, 4122980), (10, 2886086), (14, 2061490), (20, 1443043), (23, 1254820), (28, 1030745), (35, 824596), (46, 627410), (70, 412298), (92, 313705), (115, 250964), (140, 206149), (161, 179260), (230, 125482), (322, 89630), (460, 62741), (644, 44815), (805, 35852), (1610, 17926), (3220, 8963)]