137977140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:758

約数の個数: 144

約数和(自身を含む): 456430464

約数和(自身を除く): 318453324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 420, 426, 490, 497, 588, 661, 710, 735, 852, 980, 994, 1065, 1322, 1420, 1470, 1491, 1983, 1988, 2130, 2485, 2644, 2940, 2982, 3305, 3479, 3966, 4260, 4627, 4970, 5964, 6610, 6958, 7455, 7932, 9254, 9915, 9940, 10437, 13220, 13881, 13916, 14910, 17395, 18508, 19830, 20874, 23135, 27762, 29820, 32389, 34790, 39660, 41748, 46270, 46931, 52185, 55524, 64778, 69405, 69580, 92540, 93862, 97167, 104370, 129556, 138810, 140793, 161945, 187724, 194334, 208740, 234655, 277620, 281586, 323890, 328517, 388668, 469310, 485835, 563172, 647780, 657034, 703965, 938620, 971670, 985551, 1314068, 1407930, 1642585, 1943340, 1971102, 2299619, 2815860, 3285170, 3942204, 4599238, 4927755, 6570340, 6898857, 9198476, 9855510, 11498095, 13797714, 19711020, 22996190, 27595428, 34494285, 45992380, 68988570, 137977140]

約数ペア:

[(1, 137977140), (2, 68988570), (3, 45992380), (4, 34494285), (5, 27595428), (6, 22996190), (7, 19711020), (10, 13797714), (12, 11498095), (14, 9855510), (15, 9198476), (20, 6898857), (21, 6570340), (28, 4927755), (30, 4599238), (35, 3942204), (42, 3285170), (49, 2815860), (60, 2299619), (70, 1971102), (71, 1943340), (84, 1642585), (98, 1407930), (105, 1314068), (140, 985551), (142, 971670), (147, 938620), (196, 703965), (210, 657034), (213, 647780), (245, 563172), (284, 485835), (294, 469310), (355, 388668), (420, 328517), (426, 323890), (490, 281586), (497, 277620), (588, 234655), (661, 208740), (710, 194334), (735, 187724), (852, 161945), (980, 140793), (994, 138810), (1065, 129556), (1322, 104370), (1420, 97167), (1470, 93862), (1491, 92540), (1983, 69580), (1988, 69405), (2130, 64778), (2485, 55524), (2644, 52185), (2940, 46931), (2982, 46270), (3305, 41748), (3479, 39660), (3966, 34790), (4260, 32389), (4627, 29820), (4970, 27762), (5964, 23135), (6610, 20874), (6958, 19830), (7455, 18508), (7932, 17395), (9254, 14910), (9915, 13916), (9940, 13881), (10437, 13220)]