208931940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1839

約数の個数: 192

約数和(自身を含む): 767262720

約数和(自身を除く): 558330780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1395, 1674, 1783, 1860, 1890, 1953, 2170, 2604, 2790, 3255, 3348, 3566, 3780, 3906, 4185, 4340, 5349, 5580, 5859, 6510, 7132, 7812, 8370, 8915, 9765, 10698, 11718, 12481, 13020, 16047, 16740, 17830, 19530, 21396, 23436, 24962, 26745, 29295, 32094, 35660, 37443, 39060, 48141, 49924, 53490, 55273, 58590, 62405, 64188, 74886, 80235, 96282, 106980, 110546, 112329, 117180, 124810, 149772, 160470, 165819, 187215, 192564, 221092, 224658, 240705, 249620, 276365, 320940, 331638, 336987, 374430, 386911, 449316, 481410, 497457, 552730, 561645, 663276, 673974, 748860, 773822, 829095, 962820, 994914, 1105460, 1123290, 1160733, 1347948, 1492371, 1547644, 1658190, 1684935, 1934555, 1989828, 2246580, 2321466, 2487285, 2984742, 3316380, 3369870, 3482199, 3869110, 4642932, 4974570, 5803665, 5969484, 6739740, 6964398, 7461855, 7738220, 9949140, 10446597, 11607330, 13928796, 14923710, 17410995, 20893194, 23214660, 29847420, 34821990, 41786388, 52232985, 69643980, 104465970, 208931940]

約数ペア:

[(1, 208931940), (2, 104465970), (3, 69643980), (4, 52232985), (5, 41786388), (6, 34821990), (7, 29847420), (9, 23214660), (10, 20893194), (12, 17410995), (14, 14923710), (15, 13928796), (18, 11607330), (20, 10446597), (21, 9949140), (27, 7738220), (28, 7461855), (30, 6964398), (31, 6739740), (35, 5969484), (36, 5803665), (42, 4974570), (45, 4642932), (54, 3869110), (60, 3482199), (62, 3369870), (63, 3316380), (70, 2984742), (84, 2487285), (90, 2321466), (93, 2246580), (105, 1989828), (108, 1934555), (124, 1684935), (126, 1658190), (135, 1547644), (140, 1492371), (155, 1347948), (180, 1160733), (186, 1123290), (189, 1105460), (210, 994914), (217, 962820), (252, 829095), (270, 773822), (279, 748860), (310, 673974), (315, 663276), (372, 561645), (378, 552730), (420, 497457), (434, 481410), (465, 449316), (540, 386911), (558, 374430), (620, 336987), (630, 331638), (651, 320940), (756, 276365), (837, 249620), (868, 240705), (930, 224658), (945, 221092), (1085, 192564), (1116, 187215), (1260, 165819), (1302, 160470), (1395, 149772), (1674, 124810), (1783, 117180), (1860, 112329), (1890, 110546), (1953, 106980), (2170, 96282), (2604, 80235), (2790, 74886), (3255, 64188), (3348, 62405), (3566, 58590), (3780, 55273), (3906, 53490), (4185, 49924), (4340, 48141), (5349, 39060), (5580, 37443), (5859, 35660), (6510, 32094), (7132, 29295), (7812, 26745), (8370, 24962), (8915, 23436), (9765, 21396), (10698, 19530), (11718, 17830), (12481, 16740), (13020, 16047)]