221301900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 734588400

約数和(自身を除く): 513286500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 61, 75, 87, 90, 100, 116, 122, 139, 145, 150, 174, 180, 183, 225, 244, 261, 278, 290, 300, 305, 348, 366, 417, 435, 450, 522, 549, 556, 580, 610, 695, 725, 732, 834, 870, 900, 915, 1044, 1098, 1220, 1251, 1305, 1390, 1450, 1525, 1668, 1740, 1769, 1830, 2085, 2175, 2196, 2502, 2610, 2745, 2780, 2900, 3050, 3475, 3538, 3660, 4031, 4170, 4350, 4575, 5004, 5220, 5307, 5490, 6100, 6255, 6525, 6950, 7076, 8062, 8340, 8479, 8700, 8845, 9150, 10425, 10614, 10980, 12093, 12510, 13050, 13725, 13900, 15921, 16124, 16958, 17690, 18300, 20155, 20850, 21228, 24186, 25020, 25437, 26100, 26535, 27450, 31275, 31842, 33916, 35380, 36279, 40310, 41700, 42395, 44225, 48372, 50874, 53070, 54900, 60465, 62550, 63684, 72558, 76311, 79605, 80620, 84790, 88450, 100775, 101748, 106140, 120930, 125100, 127185, 132675, 145116, 152622, 159210, 169580, 176900, 181395, 201550, 211975, 241860, 245891, 254370, 265350, 302325, 305244, 318420, 362790, 381555, 398025, 403100, 423950, 491782, 508740, 530700, 604650, 635925, 725580, 737673, 763110, 796050, 847900, 906975, 983564, 1209300, 1229455, 1271850, 1475346, 1526220, 1592100, 1813950, 1907775, 2213019, 2458910, 2543700, 2950692, 3627900, 3688365, 3815550, 4426038, 4917820, 6147275, 7376730, 7631100, 8852076, 11065095, 12294550, 14753460, 18441825, 22130190, 24589100, 36883650, 44260380, 55325475, 73767300, 110650950, 221301900]

約数ペア:

[(1, 221301900), (2, 110650950), (3, 73767300), (4, 55325475), (5, 44260380), (6, 36883650), (9, 24589100), (10, 22130190), (12, 18441825), (15, 14753460), (18, 12294550), (20, 11065095), (25, 8852076), (29, 7631100), (30, 7376730), (36, 6147275), (45, 4917820), (50, 4426038), (58, 3815550), (60, 3688365), (61, 3627900), (75, 2950692), (87, 2543700), (90, 2458910), (100, 2213019), (116, 1907775), (122, 1813950), (139, 1592100), (145, 1526220), (150, 1475346), (174, 1271850), (180, 1229455), (183, 1209300), (225, 983564), (244, 906975), (261, 847900), (278, 796050), (290, 763110), (300, 737673), (305, 725580), (348, 635925), (366, 604650), (417, 530700), (435, 508740), (450, 491782), (522, 423950), (549, 403100), (556, 398025), (580, 381555), (610, 362790), (695, 318420), (725, 305244), (732, 302325), (834, 265350), (870, 254370), (900, 245891), (915, 241860), (1044, 211975), (1098, 201550), (1220, 181395), (1251, 176900), (1305, 169580), (1390, 159210), (1450, 152622), (1525, 145116), (1668, 132675), (1740, 127185), (1769, 125100), (1830, 120930), (2085, 106140), (2175, 101748), (2196, 100775), (2502, 88450), (2610, 84790), (2745, 80620), (2780, 79605), (2900, 76311), (3050, 72558), (3475, 63684), (3538, 62550), (3660, 60465), (4031, 54900), (4170, 53070), (4350, 50874), (4575, 48372), (5004, 44225), (5220, 42395), (5307, 41700), (5490, 40310), (6100, 36279), (6255, 35380), (6525, 33916), (6950, 31842), (7076, 31275), (8062, 27450), (8340, 26535), (8479, 26100), (8700, 25437), (8845, 25020), (9150, 24186), (10425, 21228), (10614, 20850), (10980, 20155), (12093, 18300), (12510, 17690), (13050, 16958), (13725, 16124), (13900, 15921)]