280787168

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5189}}^1$

素因数の和:5307

約数の個数: 48

約数和(自身を含む): 588546000

約数和(自身を除く): 307758832

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 89, 152, 178, 304, 356, 608, 712, 1424, 1691, 2848, 3382, 5189, 6764, 10378, 13528, 20756, 27056, 41512, 54112, 83024, 98591, 166048, 197182, 394364, 461821, 788728, 923642, 1577456, 1847284, 3154912, 3694568, 7389136, 8774599, 14778272, 17549198, 35098396, 70196792, 140393584, 280787168]

約数ペア:

[(1, 280787168), (2, 140393584), (4, 70196792), (8, 35098396), (16, 17549198), (19, 14778272), (32, 8774599), (38, 7389136), (76, 3694568), (89, 3154912), (152, 1847284), (178, 1577456), (304, 923642), (356, 788728), (608, 461821), (712, 394364), (1424, 197182), (1691, 166048), (2848, 98591), (3382, 83024), (5189, 54112), (6764, 41512), (10378, 27056), (13528, 20756)]