299474780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{17231}}^1$

素因数の和:17330

約数の個数: 48

約数和(自身を含む): 694794240

約数和(自身を除く): 395319460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17231, 17380, 34462, 68924, 86155, 172310, 189541, 344620, 379082, 758164, 947705, 1361249, 1895410, 2722498, 3790820, 5444996, 6806245, 13612490, 14973739, 27224980, 29947478, 59894956, 74868695, 149737390, 299474780]

約数ペア:

[(1, 299474780), (2, 149737390), (4, 74868695), (5, 59894956), (10, 29947478), (11, 27224980), (20, 14973739), (22, 13612490), (44, 6806245), (55, 5444996), (79, 3790820), (110, 2722498), (158, 1895410), (220, 1361249), (316, 947705), (395, 758164), (790, 379082), (869, 344620), (1580, 189541), (1738, 172310), (3476, 86155), (4345, 68924), (8690, 34462), (17231, 17380)]