28780359820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5503}}^1\times {\mathrm{13763}}^1$

素因数の和:19294

約数の個数: 48

約数和(自身を含む): 63635927040

約数和(自身を除く): 34855567220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5503, 11006, 13763, 22012, 27515, 27526, 55030, 55052, 68815, 104557, 110060, 137630, 209114, 261497, 275260, 418228, 522785, 522994, 1045570, 1045988, 1307485, 2091140, 2614970, 5229940, 75737789, 151475578, 302951156, 378688945, 757377890, 1439017991, 1514755780, 2878035982, 5756071964, 7195089955, 14390179910, 28780359820]

約数ペア:

[(1, 28780359820), (2, 14390179910), (4, 7195089955), (5, 5756071964), (10, 2878035982), (19, 1514755780), (20, 1439017991), (38, 757377890), (76, 378688945), (95, 302951156), (190, 151475578), (380, 75737789), (5503, 5229940), (11006, 2614970), (13763, 2091140), (22012, 1307485), (27515, 1045988), (27526, 1045570), (55030, 522994), (55052, 522785), (68815, 418228), (104557, 275260), (110060, 261497), (137630, 209114)]