1286860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 2836512

約数和(自身を除く): 1549652

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 470, 740, 940, 1369, 1739, 2738, 3478, 5476, 6845, 6956, 8695, 13690, 17390, 27380, 34780, 64343, 128686, 257372, 321715, 643430, 1286860]

約数ペア:

[(1, 1286860), (2, 643430), (4, 321715), (5, 257372), (10, 128686), (20, 64343), (37, 34780), (47, 27380), (74, 17390), (94, 13690), (148, 8695), (185, 6956), (188, 6845), (235, 5476), (370, 3478), (470, 2738), (740, 1739), (940, 1369)]