198887940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 644636160

約数和(自身を除く): 445748220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 109, 124, 135, 155, 180, 186, 218, 270, 279, 310, 327, 372, 436, 465, 540, 545, 558, 620, 654, 837, 930, 981, 1090, 1116, 1308, 1395, 1635, 1674, 1860, 1962, 2180, 2790, 2943, 3270, 3348, 3379, 3924, 4185, 4905, 5580, 5886, 6540, 6758, 8370, 9810, 10137, 11772, 11881, 13516, 14715, 16740, 16895, 19620, 20274, 23762, 29430, 30411, 33790, 35643, 40548, 47524, 50685, 58860, 59405, 60822, 67580, 71286, 91233, 101370, 106929, 118810, 121644, 142572, 152055, 178215, 182466, 202740, 213858, 237620, 304110, 320787, 356430, 364932, 368311, 427716, 456165, 534645, 608220, 641574, 712860, 736622, 912330, 1069290, 1104933, 1283148, 1473244, 1603935, 1824660, 1841555, 2138580, 2209866, 3207870, 3314799, 3683110, 4419732, 5524665, 6415740, 6629598, 7366220, 9944397, 11049330, 13259196, 16573995, 19888794, 22098660, 33147990, 39777588, 49721985, 66295980, 99443970, 198887940]

約数ペア:

[(1, 198887940), (2, 99443970), (3, 66295980), (4, 49721985), (5, 39777588), (6, 33147990), (9, 22098660), (10, 19888794), (12, 16573995), (15, 13259196), (18, 11049330), (20, 9944397), (27, 7366220), (30, 6629598), (31, 6415740), (36, 5524665), (45, 4419732), (54, 3683110), (60, 3314799), (62, 3207870), (90, 2209866), (93, 2138580), (108, 1841555), (109, 1824660), (124, 1603935), (135, 1473244), (155, 1283148), (180, 1104933), (186, 1069290), (218, 912330), (270, 736622), (279, 712860), (310, 641574), (327, 608220), (372, 534645), (436, 456165), (465, 427716), (540, 368311), (545, 364932), (558, 356430), (620, 320787), (654, 304110), (837, 237620), (930, 213858), (981, 202740), (1090, 182466), (1116, 178215), (1308, 152055), (1395, 142572), (1635, 121644), (1674, 118810), (1860, 106929), (1962, 101370), (2180, 91233), (2790, 71286), (2943, 67580), (3270, 60822), (3348, 59405), (3379, 58860), (3924, 50685), (4185, 47524), (4905, 40548), (5580, 35643), (5886, 33790), (6540, 30411), (6758, 29430), (8370, 23762), (9810, 20274), (10137, 19620), (11772, 16895), (11881, 16740), (13516, 14715)]