208595840

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11239}}^1$

素因数の和:11287

約数の個数: 64

約数和(自身を含む): 515916000

約数和(自身を除く): 307320160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 3712, 4640, 9280, 11239, 18560, 22478, 44956, 56195, 89912, 112390, 179824, 224780, 325931, 359648, 449560, 651862, 719296, 899120, 1303724, 1438592, 1629655, 1798240, 2607448, 3259310, 3596480, 5214896, 6518620, 7192960, 10429792, 13037240, 20859584, 26074480, 41719168, 52148960, 104297920, 208595840]

約数ペア:

[(1, 208595840), (2, 104297920), (4, 52148960), (5, 41719168), (8, 26074480), (10, 20859584), (16, 13037240), (20, 10429792), (29, 7192960), (32, 6518620), (40, 5214896), (58, 3596480), (64, 3259310), (80, 2607448), (116, 1798240), (128, 1629655), (145, 1438592), (160, 1303724), (232, 899120), (290, 719296), (320, 651862), (464, 449560), (580, 359648), (640, 325931), (928, 224780), (1160, 179824), (1856, 112390), (2320, 89912), (3712, 56195), (4640, 44956), (9280, 22478), (11239, 18560)]