209945400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 288

約数和(自身を含む): 781579440

約数和(自身を除く): 571634040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 37, 40, 42, 49, 50, 56, 60, 70, 74, 75, 84, 98, 100, 105, 111, 120, 140, 147, 148, 150, 168, 175, 185, 193, 196, 200, 210, 222, 245, 259, 280, 294, 296, 300, 350, 370, 386, 392, 420, 444, 490, 518, 525, 555, 579, 588, 600, 700, 735, 740, 772, 777, 840, 888, 925, 965, 980, 1036, 1050, 1110, 1158, 1176, 1225, 1295, 1351, 1400, 1470, 1480, 1544, 1554, 1813, 1850, 1930, 1960, 2072, 2100, 2220, 2316, 2450, 2590, 2702, 2775, 2895, 2940, 3108, 3626, 3675, 3700, 3860, 3885, 4053, 4200, 4440, 4632, 4825, 4900, 5180, 5404, 5439, 5550, 5790, 5880, 6216, 6475, 6755, 7141, 7252, 7350, 7400, 7720, 7770, 8106, 9065, 9457, 9650, 9800, 10360, 10808, 10878, 11100, 11580, 12950, 13510, 14282, 14475, 14504, 14700, 15540, 16212, 18130, 18914, 19300, 19425, 20265, 21423, 21756, 22200, 23160, 25900, 27020, 27195, 28371, 28564, 28950, 29400, 31080, 32424, 33775, 35705, 36260, 37828, 38600, 38850, 40530, 42846, 43512, 45325, 47285, 49987, 51800, 54040, 54390, 56742, 57128, 57900, 67550, 71410, 72520, 75656, 77700, 81060, 85692, 90650, 94570, 99974, 101325, 107115, 108780, 113484, 115800, 135100, 135975, 141855, 142820, 149961, 155400, 162120, 171384, 178525, 181300, 189140, 199948, 202650, 214230, 217560, 226968, 236425, 249935, 270200, 271950, 283710, 285640, 299922, 349909, 357050, 362600, 378280, 399896, 405300, 428460, 472850, 499870, 535575, 543900, 567420, 599844, 699818, 709275, 714100, 749805, 810600, 856920, 945700, 999740, 1049727, 1071150, 1087800, 1134840, 1199688, 1249675, 1399636, 1418550, 1428200, 1499610, 1749545, 1891400, 1999480, 2099454, 2142300, 2499350, 2799272, 2837100, 2999220, 3499090, 3749025, 4198908, 4284600, 4998700, 5248635, 5674200, 5998440, 6998180, 7498050, 8397816, 8747725, 9997400, 10497270, 13996360, 14996100, 17495450, 20994540, 26243175, 29992200, 34990900, 41989080, 52486350, 69981800, 104972700, 209945400]

約数ペア:

[(1, 209945400), (2, 104972700), (3, 69981800), (4, 52486350), (5, 41989080), (6, 34990900), (7, 29992200), (8, 26243175), (10, 20994540), (12, 17495450), (14, 14996100), (15, 13996360), (20, 10497270), (21, 9997400), (24, 8747725), (25, 8397816), (28, 7498050), (30, 6998180), (35, 5998440), (37, 5674200), (40, 5248635), (42, 4998700), (49, 4284600), (50, 4198908), (56, 3749025), (60, 3499090), (70, 2999220), (74, 2837100), (75, 2799272), (84, 2499350), (98, 2142300), (100, 2099454), (105, 1999480), (111, 1891400), (120, 1749545), (140, 1499610), (147, 1428200), (148, 1418550), (150, 1399636), (168, 1249675), (175, 1199688), (185, 1134840), (193, 1087800), (196, 1071150), (200, 1049727), (210, 999740), (222, 945700), (245, 856920), (259, 810600), (280, 749805), (294, 714100), (296, 709275), (300, 699818), (350, 599844), (370, 567420), (386, 543900), (392, 535575), (420, 499870), (444, 472850), (490, 428460), (518, 405300), (525, 399896), (555, 378280), (579, 362600), (588, 357050), (600, 349909), (700, 299922), (735, 285640), (740, 283710), (772, 271950), (777, 270200), (840, 249935), (888, 236425), (925, 226968), (965, 217560), (980, 214230), (1036, 202650), (1050, 199948), (1110, 189140), (1158, 181300), (1176, 178525), (1225, 171384), (1295, 162120), (1351, 155400), (1400, 149961), (1470, 142820), (1480, 141855), (1544, 135975), (1554, 135100), (1813, 115800), (1850, 113484), (1930, 108780), (1960, 107115), (2072, 101325), (2100, 99974), (2220, 94570), (2316, 90650), (2450, 85692), (2590, 81060), (2702, 77700), (2775, 75656), (2895, 72520), (2940, 71410), (3108, 67550), (3626, 57900), (3675, 57128), (3700, 56742), (3860, 54390), (3885, 54040), (4053, 51800), (4200, 49987), (4440, 47285), (4632, 45325), (4825, 43512), (4900, 42846), (5180, 40530), (5404, 38850), (5439, 38600), (5550, 37828), (5790, 36260), (5880, 35705), (6216, 33775), (6475, 32424), (6755, 31080), (7141, 29400), (7252, 28950), (7350, 28564), (7400, 28371), (7720, 27195), (7770, 27020), (8106, 25900), (9065, 23160), (9457, 22200), (9650, 21756), (9800, 21423), (10360, 20265), (10808, 19425), (10878, 19300), (11100, 18914), (11580, 18130), (12950, 16212), (13510, 15540), (14282, 14700), (14475, 14504)]