393859840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2543}}^1$

素因数の和:2586

約数の個数: 108

約数和(自身を含む): 1037387232

約数和(自身を除く): 643527392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1280, 1408, 1760, 1936, 2420, 2543, 2816, 3520, 3872, 4840, 5086, 7040, 7744, 9680, 10172, 12715, 14080, 15488, 19360, 20344, 25430, 27973, 30976, 38720, 40688, 50860, 55946, 77440, 81376, 101720, 111892, 139865, 154880, 162752, 203440, 223784, 279730, 307703, 325504, 406880, 447568, 559460, 615406, 651008, 813760, 895136, 1118920, 1230812, 1538515, 1627520, 1790272, 2237840, 2461624, 3077030, 3255040, 3580544, 4475680, 4923248, 6154060, 7161088, 8951360, 9846496, 12308120, 17902720, 19692992, 24616240, 35805440, 39385984, 49232480, 78771968, 98464960, 196929920, 393859840]

約数ペア:

[(1, 393859840), (2, 196929920), (4, 98464960), (5, 78771968), (8, 49232480), (10, 39385984), (11, 35805440), (16, 24616240), (20, 19692992), (22, 17902720), (32, 12308120), (40, 9846496), (44, 8951360), (55, 7161088), (64, 6154060), (80, 4923248), (88, 4475680), (110, 3580544), (121, 3255040), (128, 3077030), (160, 2461624), (176, 2237840), (220, 1790272), (242, 1627520), (256, 1538515), (320, 1230812), (352, 1118920), (440, 895136), (484, 813760), (605, 651008), (640, 615406), (704, 559460), (880, 447568), (968, 406880), (1210, 325504), (1280, 307703), (1408, 279730), (1760, 223784), (1936, 203440), (2420, 162752), (2543, 154880), (2816, 139865), (3520, 111892), (3872, 101720), (4840, 81376), (5086, 77440), (7040, 55946), (7744, 50860), (9680, 40688), (10172, 38720), (12715, 30976), (14080, 27973), (15488, 25430), (19360, 20344)]