215805800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 626101110

約数和(自身を除く): 410295310

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 61, 70, 76, 95, 98, 100, 122, 133, 140, 152, 175, 190, 196, 200, 244, 245, 266, 280, 305, 350, 361, 380, 392, 427, 475, 488, 490, 532, 610, 665, 700, 722, 760, 854, 931, 950, 980, 1064, 1159, 1220, 1225, 1330, 1400, 1444, 1525, 1708, 1805, 1862, 1900, 1960, 2135, 2318, 2440, 2450, 2527, 2660, 2888, 2989, 3050, 3325, 3416, 3610, 3724, 3800, 4270, 4636, 4655, 4900, 5054, 5320, 5795, 5978, 6100, 6650, 7220, 7448, 8113, 8540, 9025, 9272, 9310, 9800, 10108, 10675, 11590, 11956, 12200, 12635, 13300, 14440, 14945, 16226, 17080, 17689, 18050, 18620, 20216, 21350, 22021, 23180, 23275, 23912, 25270, 26600, 28975, 29890, 32452, 35378, 36100, 37240, 40565, 42700, 44042, 46360, 46550, 50540, 56791, 57950, 59780, 63175, 64904, 70756, 72200, 74725, 81130, 85400, 88084, 88445, 93100, 101080, 110105, 113582, 115900, 119560, 126350, 141512, 149450, 154147, 162260, 176168, 176890, 186200, 202825, 220210, 227164, 231800, 252700, 283955, 298900, 308294, 324520, 353780, 405650, 440420, 442225, 454328, 505400, 550525, 567910, 597800, 616588, 707560, 770735, 811300, 880840, 884450, 1079029, 1101050, 1135820, 1233176, 1419775, 1541470, 1622600, 1768900, 2158058, 2202100, 2271640, 2839550, 3082940, 3537800, 3853675, 4316116, 4404200, 5395145, 5679100, 6165880, 7707350, 8632232, 10790290, 11358200, 15414700, 21580580, 26975725, 30829400, 43161160, 53951450, 107902900, 215805800]

約数ペア:

[(1, 215805800), (2, 107902900), (4, 53951450), (5, 43161160), (7, 30829400), (8, 26975725), (10, 21580580), (14, 15414700), (19, 11358200), (20, 10790290), (25, 8632232), (28, 7707350), (35, 6165880), (38, 5679100), (40, 5395145), (49, 4404200), (50, 4316116), (56, 3853675), (61, 3537800), (70, 3082940), (76, 2839550), (95, 2271640), (98, 2202100), (100, 2158058), (122, 1768900), (133, 1622600), (140, 1541470), (152, 1419775), (175, 1233176), (190, 1135820), (196, 1101050), (200, 1079029), (244, 884450), (245, 880840), (266, 811300), (280, 770735), (305, 707560), (350, 616588), (361, 597800), (380, 567910), (392, 550525), (427, 505400), (475, 454328), (488, 442225), (490, 440420), (532, 405650), (610, 353780), (665, 324520), (700, 308294), (722, 298900), (760, 283955), (854, 252700), (931, 231800), (950, 227164), (980, 220210), (1064, 202825), (1159, 186200), (1220, 176890), (1225, 176168), (1330, 162260), (1400, 154147), (1444, 149450), (1525, 141512), (1708, 126350), (1805, 119560), (1862, 115900), (1900, 113582), (1960, 110105), (2135, 101080), (2318, 93100), (2440, 88445), (2450, 88084), (2527, 85400), (2660, 81130), (2888, 74725), (2989, 72200), (3050, 70756), (3325, 64904), (3416, 63175), (3610, 59780), (3724, 57950), (3800, 56791), (4270, 50540), (4636, 46550), (4655, 46360), (4900, 44042), (5054, 42700), (5320, 40565), (5795, 37240), (5978, 36100), (6100, 35378), (6650, 32452), (7220, 29890), (7448, 28975), (8113, 26600), (8540, 25270), (9025, 23912), (9272, 23275), (9310, 23180), (9800, 22021), (10108, 21350), (10675, 20216), (11590, 18620), (11956, 18050), (12200, 17689), (12635, 17080), (13300, 16226), (14440, 14945)]