28317550

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 54639360

約数和(自身を除く): 26321810

約数列:

[1, 2, 5, 10, 25, 50, 67, 79, 107, 134, 158, 214, 335, 395, 535, 670, 790, 1070, 1675, 1975, 2675, 3350, 3950, 5293, 5350, 7169, 8453, 10586, 14338, 16906, 26465, 35845, 42265, 52930, 71690, 84530, 132325, 179225, 211325, 264650, 358450, 422650, 566351, 1132702, 2831755, 5663510, 14158775, 28317550]

約数ペア:

[(1, 28317550), (2, 14158775), (5, 5663510), (10, 2831755), (25, 1132702), (50, 566351), (67, 422650), (79, 358450), (107, 264650), (134, 211325), (158, 179225), (214, 132325), (335, 84530), (395, 71690), (535, 52930), (670, 42265), (790, 35845), (1070, 26465), (1675, 16906), (1975, 14338), (2675, 10586), (3350, 8453), (3950, 7169), (5293, 5350)]