442870520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 1088640000

約数和(自身を除く): 645769480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 59, 82, 92, 115, 118, 164, 184, 199, 205, 230, 236, 295, 328, 398, 410, 460, 472, 590, 796, 820, 920, 943, 995, 1180, 1357, 1592, 1640, 1886, 1990, 2360, 2419, 2714, 3772, 3980, 4577, 4715, 4838, 5428, 6785, 7544, 7960, 8159, 9154, 9430, 9676, 10856, 11741, 12095, 13570, 16318, 18308, 18860, 19352, 22885, 23482, 24190, 27140, 32636, 36616, 37720, 40795, 45770, 46964, 48380, 54280, 55637, 58705, 65272, 81590, 91540, 93928, 96760, 111274, 117410, 163180, 183080, 187657, 222548, 234820, 270043, 278185, 326360, 375314, 445096, 469640, 481381, 540086, 556370, 750628, 938285, 962762, 1080172, 1112740, 1350215, 1501256, 1876570, 1925524, 2160344, 2225480, 2406905, 2700430, 3753140, 3851048, 4813810, 5400860, 7506280, 9627620, 10801720, 11071763, 19255240, 22143526, 44287052, 55358815, 88574104, 110717630, 221435260, 442870520]

約数ペア:

[(1, 442870520), (2, 221435260), (4, 110717630), (5, 88574104), (8, 55358815), (10, 44287052), (20, 22143526), (23, 19255240), (40, 11071763), (41, 10801720), (46, 9627620), (59, 7506280), (82, 5400860), (92, 4813810), (115, 3851048), (118, 3753140), (164, 2700430), (184, 2406905), (199, 2225480), (205, 2160344), (230, 1925524), (236, 1876570), (295, 1501256), (328, 1350215), (398, 1112740), (410, 1080172), (460, 962762), (472, 938285), (590, 750628), (796, 556370), (820, 540086), (920, 481381), (943, 469640), (995, 445096), (1180, 375314), (1357, 326360), (1592, 278185), (1640, 270043), (1886, 234820), (1990, 222548), (2360, 187657), (2419, 183080), (2714, 163180), (3772, 117410), (3980, 111274), (4577, 96760), (4715, 93928), (4838, 91540), (5428, 81590), (6785, 65272), (7544, 58705), (7960, 55637), (8159, 54280), (9154, 48380), (9430, 46964), (9676, 45770), (10856, 40795), (11741, 37720), (12095, 36616), (13570, 32636), (16318, 27140), (18308, 24190), (18860, 23482), (19352, 22885)]