217981400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 288

約数和(自身を含む): 667926000

約数和(自身を除く): 449944600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 29, 35, 40, 49, 50, 52, 56, 58, 59, 65, 70, 91, 98, 100, 104, 116, 118, 130, 140, 145, 175, 182, 196, 200, 203, 232, 236, 245, 260, 280, 290, 295, 325, 350, 364, 377, 392, 406, 413, 455, 472, 490, 520, 580, 590, 637, 650, 700, 725, 728, 754, 767, 812, 826, 910, 980, 1015, 1160, 1180, 1225, 1274, 1300, 1400, 1421, 1450, 1475, 1508, 1534, 1624, 1652, 1711, 1820, 1885, 1960, 2030, 2065, 2275, 2360, 2450, 2548, 2600, 2639, 2842, 2891, 2900, 2950, 3016, 3068, 3185, 3304, 3422, 3640, 3770, 3835, 4060, 4130, 4550, 4900, 5075, 5096, 5278, 5369, 5684, 5782, 5800, 5900, 6136, 6370, 6844, 7105, 7540, 7670, 8120, 8260, 8555, 9100, 9425, 9800, 10150, 10325, 10556, 10738, 11368, 11564, 11800, 11977, 12740, 13195, 13688, 14210, 14455, 15080, 15340, 15925, 16520, 17110, 18200, 18473, 18850, 19175, 20300, 20650, 21112, 21476, 22243, 23128, 23954, 25480, 26390, 26845, 28420, 28910, 30680, 31850, 34220, 35525, 36946, 37583, 37700, 38350, 40600, 41300, 42775, 42952, 44486, 47908, 52780, 53690, 56840, 57820, 59885, 63700, 65975, 68440, 71050, 72275, 73892, 75166, 75400, 76700, 82600, 83839, 85550, 88972, 92365, 95816, 105560, 107380, 111215, 115640, 119770, 127400, 131950, 134225, 142100, 144550, 147784, 150332, 153400, 155701, 167678, 171100, 177944, 184730, 187915, 214760, 222430, 239540, 263900, 268450, 284200, 289100, 299425, 300664, 311402, 335356, 342200, 369460, 375830, 419195, 444860, 461825, 479080, 527800, 536900, 556075, 578200, 598850, 622804, 670712, 738920, 751660, 778505, 838390, 889720, 923650, 939575, 1073800, 1089907, 1112150, 1197700, 1245608, 1503320, 1557010, 1676780, 1847300, 1879150, 2095975, 2179814, 2224300, 2395400, 3114020, 3353560, 3694600, 3758300, 3892525, 4191950, 4359628, 4448600, 5449535, 6228040, 7516600, 7785050, 8383900, 8719256, 10899070, 15570100, 16767800, 21798140, 27247675, 31140200, 43596280, 54495350, 108990700, 217981400]

約数ペア:

[(1, 217981400), (2, 108990700), (4, 54495350), (5, 43596280), (7, 31140200), (8, 27247675), (10, 21798140), (13, 16767800), (14, 15570100), (20, 10899070), (25, 8719256), (26, 8383900), (28, 7785050), (29, 7516600), (35, 6228040), (40, 5449535), (49, 4448600), (50, 4359628), (52, 4191950), (56, 3892525), (58, 3758300), (59, 3694600), (65, 3353560), (70, 3114020), (91, 2395400), (98, 2224300), (100, 2179814), (104, 2095975), (116, 1879150), (118, 1847300), (130, 1676780), (140, 1557010), (145, 1503320), (175, 1245608), (182, 1197700), (196, 1112150), (200, 1089907), (203, 1073800), (232, 939575), (236, 923650), (245, 889720), (260, 838390), (280, 778505), (290, 751660), (295, 738920), (325, 670712), (350, 622804), (364, 598850), (377, 578200), (392, 556075), (406, 536900), (413, 527800), (455, 479080), (472, 461825), (490, 444860), (520, 419195), (580, 375830), (590, 369460), (637, 342200), (650, 335356), (700, 311402), (725, 300664), (728, 299425), (754, 289100), (767, 284200), (812, 268450), (826, 263900), (910, 239540), (980, 222430), (1015, 214760), (1160, 187915), (1180, 184730), (1225, 177944), (1274, 171100), (1300, 167678), (1400, 155701), (1421, 153400), (1450, 150332), (1475, 147784), (1508, 144550), (1534, 142100), (1624, 134225), (1652, 131950), (1711, 127400), (1820, 119770), (1885, 115640), (1960, 111215), (2030, 107380), (2065, 105560), (2275, 95816), (2360, 92365), (2450, 88972), (2548, 85550), (2600, 83839), (2639, 82600), (2842, 76700), (2891, 75400), (2900, 75166), (2950, 73892), (3016, 72275), (3068, 71050), (3185, 68440), (3304, 65975), (3422, 63700), (3640, 59885), (3770, 57820), (3835, 56840), (4060, 53690), (4130, 52780), (4550, 47908), (4900, 44486), (5075, 42952), (5096, 42775), (5278, 41300), (5369, 40600), (5684, 38350), (5782, 37700), (5800, 37583), (5900, 36946), (6136, 35525), (6370, 34220), (6844, 31850), (7105, 30680), (7540, 28910), (7670, 28420), (8120, 26845), (8260, 26390), (8555, 25480), (9100, 23954), (9425, 23128), (9800, 22243), (10150, 21476), (10325, 21112), (10556, 20650), (10738, 20300), (11368, 19175), (11564, 18850), (11800, 18473), (11977, 18200), (12740, 17110), (13195, 16520), (13688, 15925), (14210, 15340), (14455, 15080)]