28404320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3623}}^1$

素因数の和:3652

約数の個数: 72

約数和(自身を含む): 78082704

約数和(自身を除く): 49678384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3623, 3920, 7246, 7840, 14492, 18115, 25361, 28984, 36230, 50722, 57968, 72460, 101444, 115936, 126805, 144920, 177527, 202888, 253610, 289840, 355054, 405776, 507220, 579680, 710108, 811552, 887635, 1014440, 1420216, 1775270, 2028880, 2840432, 3550540, 4057760, 5680864, 7101080, 14202160, 28404320]

約数ペア:

[(1, 28404320), (2, 14202160), (4, 7101080), (5, 5680864), (7, 4057760), (8, 3550540), (10, 2840432), (14, 2028880), (16, 1775270), (20, 1420216), (28, 1014440), (32, 887635), (35, 811552), (40, 710108), (49, 579680), (56, 507220), (70, 405776), (80, 355054), (98, 289840), (112, 253610), (140, 202888), (160, 177527), (196, 144920), (224, 126805), (245, 115936), (280, 101444), (392, 72460), (490, 57968), (560, 50722), (784, 36230), (980, 28984), (1120, 25361), (1568, 18115), (1960, 14492), (3623, 7840), (3920, 7246)]