30444140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 66213504

約数和(自身を除く): 35769364

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 271, 274, 410, 542, 548, 685, 820, 1084, 1355, 1370, 2710, 2740, 5420, 5617, 11111, 11234, 22222, 22468, 28085, 37127, 44444, 55555, 56170, 74254, 111110, 112340, 148508, 185635, 222220, 371270, 742540, 1522207, 3044414, 6088828, 7611035, 15222070, 30444140]

約数ペア:

[(1, 30444140), (2, 15222070), (4, 7611035), (5, 6088828), (10, 3044414), (20, 1522207), (41, 742540), (82, 371270), (137, 222220), (164, 185635), (205, 148508), (271, 112340), (274, 111110), (410, 74254), (542, 56170), (548, 55555), (685, 44444), (820, 37127), (1084, 28085), (1355, 22468), (1370, 22222), (2710, 11234), (2740, 11111), (5420, 5617)]