280205696

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2111}}^1$

素因数の和:2203

約数の個数: 64

約数和(自身を含む): 601032960

約数和(自身を除く): 320827264

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 122, 128, 136, 244, 272, 488, 544, 976, 1037, 1088, 1952, 2074, 2111, 2176, 3904, 4148, 4222, 7808, 8296, 8444, 16592, 16888, 33184, 33776, 35887, 66368, 67552, 71774, 128771, 132736, 135104, 143548, 257542, 270208, 287096, 515084, 574192, 1030168, 1148384, 2060336, 2189107, 2296768, 4120672, 4378214, 4593536, 8241344, 8756428, 16482688, 17512856, 35025712, 70051424, 140102848, 280205696]

約数ペア:

[(1, 280205696), (2, 140102848), (4, 70051424), (8, 35025712), (16, 17512856), (17, 16482688), (32, 8756428), (34, 8241344), (61, 4593536), (64, 4378214), (68, 4120672), (122, 2296768), (128, 2189107), (136, 2060336), (244, 1148384), (272, 1030168), (488, 574192), (544, 515084), (976, 287096), (1037, 270208), (1088, 257542), (1952, 143548), (2074, 135104), (2111, 132736), (2176, 128771), (3904, 71774), (4148, 67552), (4222, 66368), (7808, 35887), (8296, 33776), (8444, 33184), (16592, 16888)]