193406840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 496419840

約数和(自身を除く): 303013000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 71, 82, 88, 110, 142, 151, 164, 205, 220, 284, 302, 328, 355, 410, 440, 451, 568, 604, 710, 755, 781, 820, 902, 1208, 1420, 1510, 1562, 1640, 1661, 1804, 2255, 2840, 2911, 3020, 3124, 3322, 3608, 3905, 4510, 5822, 6040, 6191, 6248, 6644, 7810, 8305, 9020, 10721, 11644, 12382, 13288, 14555, 15620, 16610, 18040, 21442, 23288, 24764, 29110, 30955, 31240, 32021, 33220, 42884, 49528, 53605, 58220, 61910, 64042, 66440, 68101, 85768, 107210, 116440, 117931, 123820, 128084, 136202, 160105, 214420, 235862, 247640, 256168, 272404, 320210, 340505, 428840, 439561, 471724, 544808, 589655, 640420, 681010, 879122, 943448, 1179310, 1280840, 1362020, 1758244, 2197805, 2358620, 2724040, 3516488, 4395610, 4717240, 4835171, 8791220, 9670342, 17582440, 19340684, 24175855, 38681368, 48351710, 96703420, 193406840]

約数ペア:

[(1, 193406840), (2, 96703420), (4, 48351710), (5, 38681368), (8, 24175855), (10, 19340684), (11, 17582440), (20, 9670342), (22, 8791220), (40, 4835171), (41, 4717240), (44, 4395610), (55, 3516488), (71, 2724040), (82, 2358620), (88, 2197805), (110, 1758244), (142, 1362020), (151, 1280840), (164, 1179310), (205, 943448), (220, 879122), (284, 681010), (302, 640420), (328, 589655), (355, 544808), (410, 471724), (440, 439561), (451, 428840), (568, 340505), (604, 320210), (710, 272404), (755, 256168), (781, 247640), (820, 235862), (902, 214420), (1208, 160105), (1420, 136202), (1510, 128084), (1562, 123820), (1640, 117931), (1661, 116440), (1804, 107210), (2255, 85768), (2840, 68101), (2911, 66440), (3020, 64042), (3124, 61910), (3322, 58220), (3608, 53605), (3905, 49528), (4510, 42884), (5822, 33220), (6040, 32021), (6191, 31240), (6248, 30955), (6644, 29110), (7810, 24764), (8305, 23288), (9020, 21442), (10721, 18040), (11644, 16610), (12382, 15620), (13288, 14555)]