290781328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{7691}}^1$

素因数の和:7855

約数の個数: 40

約数和(自身を含む): 600899040

約数和(自身を除く): 310117712

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 1112, 2224, 2363, 4726, 7691, 9452, 15382, 18904, 30764, 37808, 61528, 123056, 130747, 261494, 522988, 1045976, 1069049, 2091952, 2138098, 4276196, 8552392, 17104784, 18173833, 36347666, 72695332, 145390664, 290781328]

約数ペア:

[(1, 290781328), (2, 145390664), (4, 72695332), (8, 36347666), (16, 18173833), (17, 17104784), (34, 8552392), (68, 4276196), (136, 2138098), (139, 2091952), (272, 1069049), (278, 1045976), (556, 522988), (1112, 261494), (2224, 130747), (2363, 123056), (4726, 61528), (7691, 37808), (9452, 30764), (15382, 18904)]