28404310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 30900650

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 103, 109, 110, 115, 206, 218, 230, 253, 506, 515, 545, 1030, 1090, 1133, 1199, 1265, 2266, 2369, 2398, 2507, 2530, 4738, 5014, 5665, 5995, 11227, 11330, 11845, 11990, 12535, 22454, 23690, 25070, 26059, 27577, 52118, 55154, 56135, 112270, 123497, 130295, 137885, 246994, 258221, 260590, 275770, 516442, 617485, 1234970, 1291105, 2582210, 2840431, 5680862, 14202155, 28404310]

約数ペア:

[(1, 28404310), (2, 14202155), (5, 5680862), (10, 2840431), (11, 2582210), (22, 1291105), (23, 1234970), (46, 617485), (55, 516442), (103, 275770), (109, 260590), (110, 258221), (115, 246994), (206, 137885), (218, 130295), (230, 123497), (253, 112270), (506, 56135), (515, 55154), (545, 52118), (1030, 27577), (1090, 26059), (1133, 25070), (1199, 23690), (1265, 22454), (2266, 12535), (2369, 11990), (2398, 11845), (2507, 11330), (2530, 11227), (4738, 5995), (5014, 5665)]