2905540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 6822144

約数和(自身を除く): 3916604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 281, 470, 517, 562, 940, 1034, 1124, 1405, 2068, 2585, 2810, 3091, 5170, 5620, 6182, 10340, 12364, 13207, 15455, 26414, 30910, 52828, 61820, 66035, 132070, 145277, 264140, 290554, 581108, 726385, 1452770, 2905540]

約数ペア:

[(1, 2905540), (2, 1452770), (4, 726385), (5, 581108), (10, 290554), (11, 264140), (20, 145277), (22, 132070), (44, 66035), (47, 61820), (55, 52828), (94, 30910), (110, 26414), (188, 15455), (220, 13207), (235, 12364), (281, 10340), (470, 6182), (517, 5620), (562, 5170), (940, 3091), (1034, 2810), (1124, 2585), (1405, 2068)]