217967360

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13099}}^1$

素因数の和:13133

約数の個数: 72

約数和(自身を含む): 562304400

約数和(自身を除く): 344337040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 13099, 16640, 26198, 52396, 65495, 104792, 130990, 170287, 209584, 261980, 340574, 419168, 523960, 681148, 838336, 851435, 1047920, 1362296, 1676672, 1702870, 2095840, 2724592, 3353344, 3405740, 4191680, 5449184, 6811480, 8383360, 10898368, 13622960, 16766720, 21796736, 27245920, 43593472, 54491840, 108983680, 217967360]

約数ペア:

[(1, 217967360), (2, 108983680), (4, 54491840), (5, 43593472), (8, 27245920), (10, 21796736), (13, 16766720), (16, 13622960), (20, 10898368), (26, 8383360), (32, 6811480), (40, 5449184), (52, 4191680), (64, 3405740), (65, 3353344), (80, 2724592), (104, 2095840), (128, 1702870), (130, 1676672), (160, 1362296), (208, 1047920), (256, 851435), (260, 838336), (320, 681148), (416, 523960), (520, 419168), (640, 340574), (832, 261980), (1040, 209584), (1280, 170287), (1664, 130990), (2080, 104792), (3328, 65495), (4160, 52396), (8320, 26198), (13099, 16640)]