2889560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 6998400

約数和(自身を除く): 4108840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 53, 58, 94, 106, 116, 145, 188, 212, 232, 235, 265, 290, 376, 424, 470, 530, 580, 940, 1060, 1160, 1363, 1537, 1880, 2120, 2491, 2726, 3074, 4982, 5452, 6148, 6815, 7685, 9964, 10904, 12296, 12455, 13630, 15370, 19928, 24910, 27260, 30740, 49820, 54520, 61480, 72239, 99640, 144478, 288956, 361195, 577912, 722390, 1444780, 2889560]

約数ペア:

[(1, 2889560), (2, 1444780), (4, 722390), (5, 577912), (8, 361195), (10, 288956), (20, 144478), (29, 99640), (40, 72239), (47, 61480), (53, 54520), (58, 49820), (94, 30740), (106, 27260), (116, 24910), (145, 19928), (188, 15370), (212, 13630), (232, 12455), (235, 12296), (265, 10904), (290, 9964), (376, 7685), (424, 6815), (470, 6148), (530, 5452), (580, 4982), (940, 3074), (1060, 2726), (1160, 2491), (1363, 2120), (1537, 1880)]