239883420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 788296320

約数和(自身を除く): 548412900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 139, 140, 147, 196, 210, 245, 278, 294, 417, 420, 490, 556, 587, 588, 695, 735, 834, 973, 980, 1174, 1390, 1470, 1668, 1761, 1946, 2085, 2348, 2780, 2919, 2935, 2940, 3522, 3892, 4109, 4170, 4865, 5838, 5870, 6811, 7044, 8218, 8340, 8805, 9730, 11676, 11740, 12327, 13622, 14595, 16436, 17610, 19460, 20433, 20545, 24654, 27244, 28763, 29190, 34055, 35220, 40866, 41090, 49308, 57526, 58380, 61635, 68110, 81593, 81732, 82180, 86289, 102165, 115052, 123270, 136220, 143815, 163186, 172578, 204330, 244779, 246540, 287630, 326372, 345156, 407965, 408660, 431445, 489558, 571151, 575260, 815930, 862890, 979116, 1142302, 1223895, 1631860, 1713453, 1725780, 2284604, 2447790, 2855755, 3426906, 3998057, 4895580, 5711510, 6853812, 7996114, 8567265, 11423020, 11994171, 15992228, 17134530, 19990285, 23988342, 34269060, 39980570, 47976684, 59970855, 79961140, 119941710, 239883420]

約数ペア:

[(1, 239883420), (2, 119941710), (3, 79961140), (4, 59970855), (5, 47976684), (6, 39980570), (7, 34269060), (10, 23988342), (12, 19990285), (14, 17134530), (15, 15992228), (20, 11994171), (21, 11423020), (28, 8567265), (30, 7996114), (35, 6853812), (42, 5711510), (49, 4895580), (60, 3998057), (70, 3426906), (84, 2855755), (98, 2447790), (105, 2284604), (139, 1725780), (140, 1713453), (147, 1631860), (196, 1223895), (210, 1142302), (245, 979116), (278, 862890), (294, 815930), (417, 575260), (420, 571151), (490, 489558), (556, 431445), (587, 408660), (588, 407965), (695, 345156), (735, 326372), (834, 287630), (973, 246540), (980, 244779), (1174, 204330), (1390, 172578), (1470, 163186), (1668, 143815), (1761, 136220), (1946, 123270), (2085, 115052), (2348, 102165), (2780, 86289), (2919, 82180), (2935, 81732), (2940, 81593), (3522, 68110), (3892, 61635), (4109, 58380), (4170, 57526), (4865, 49308), (5838, 41090), (5870, 40866), (6811, 35220), (7044, 34055), (8218, 29190), (8340, 28763), (8805, 27244), (9730, 24654), (11676, 20545), (11740, 20433), (12327, 19460), (13622, 17610), (14595, 16436)]