220129328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{19739}}^1$

素因数の和:19805

約数の個数: 40

約数和(自身を含む): 462626640

約数和(自身を除く): 242497312

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 2788, 5576, 11152, 19739, 39478, 78956, 157912, 315824, 335563, 671126, 809299, 1342252, 1618598, 2684504, 3237196, 5369008, 6474392, 12948784, 13758083, 27516166, 55032332, 110064664, 220129328]

約数ペア:

[(1, 220129328), (2, 110064664), (4, 55032332), (8, 27516166), (16, 13758083), (17, 12948784), (34, 6474392), (41, 5369008), (68, 3237196), (82, 2684504), (136, 1618598), (164, 1342252), (272, 809299), (328, 671126), (656, 335563), (697, 315824), (1394, 157912), (2788, 78956), (5576, 39478), (11152, 19739)]