505655140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{31643}}^1$

素因数の和:31716

約数の個数: 48

約数和(自身を含む): 1148297472

約数和(自身を除く): 642642332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 15980, 31643, 63286, 126572, 158215, 316430, 537931, 632860, 1075862, 1487221, 2151724, 2689655, 2974442, 5379310, 5948884, 7436105, 10758620, 14872210, 25282757, 29744420, 50565514, 101131028, 126413785, 252827570, 505655140]

約数ペア:

[(1, 505655140), (2, 252827570), (4, 126413785), (5, 101131028), (10, 50565514), (17, 29744420), (20, 25282757), (34, 14872210), (47, 10758620), (68, 7436105), (85, 5948884), (94, 5379310), (170, 2974442), (188, 2689655), (235, 2151724), (340, 1487221), (470, 1075862), (799, 632860), (940, 537931), (1598, 316430), (3196, 158215), (3995, 126572), (7990, 63286), (15980, 31643)]