28929560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 72969120

約数和(自身を除く): 44039560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 1777, 2035, 3256, 3554, 4070, 7108, 8140, 8885, 14216, 16280, 17770, 19547, 35540, 39094, 65749, 71080, 78188, 97735, 131498, 156376, 195470, 262996, 328745, 390940, 525992, 657490, 723239, 781880, 1314980, 1446478, 2629960, 2892956, 3616195, 5785912, 7232390, 14464780, 28929560]

約数ペア:

[(1, 28929560), (2, 14464780), (4, 7232390), (5, 5785912), (8, 3616195), (10, 2892956), (11, 2629960), (20, 1446478), (22, 1314980), (37, 781880), (40, 723239), (44, 657490), (55, 525992), (74, 390940), (88, 328745), (110, 262996), (148, 195470), (185, 156376), (220, 131498), (296, 97735), (370, 78188), (407, 71080), (440, 65749), (740, 39094), (814, 35540), (1480, 19547), (1628, 17770), (1777, 16280), (2035, 14216), (3256, 8885), (3554, 8140), (4070, 7108)]