280873504

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{9829}}^1$

素因数の和:9905

約数の個数: 48

約数和(自身を含む): 594518400

約数和(自身を除く): 313644896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 752, 893, 1504, 1786, 3572, 7144, 9829, 14288, 19658, 28576, 39316, 78632, 157264, 186751, 314528, 373502, 461963, 747004, 923926, 1494008, 1847852, 2988016, 3695704, 5976032, 7391408, 8777297, 14782816, 17554594, 35109188, 70218376, 140436752, 280873504]

約数ペア:

[(1, 280873504), (2, 140436752), (4, 70218376), (8, 35109188), (16, 17554594), (19, 14782816), (32, 8777297), (38, 7391408), (47, 5976032), (76, 3695704), (94, 2988016), (152, 1847852), (188, 1494008), (304, 923926), (376, 747004), (608, 461963), (752, 373502), (893, 314528), (1504, 186751), (1786, 157264), (3572, 78632), (7144, 39316), (9829, 28576), (14288, 19658)]