221679920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 673269408

約数和(自身を除く): 451589488

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 53, 55, 56, 70, 77, 80, 88, 97, 98, 106, 110, 112, 140, 154, 176, 194, 196, 212, 220, 245, 265, 280, 308, 371, 385, 388, 392, 424, 440, 485, 490, 530, 539, 560, 583, 616, 679, 742, 770, 776, 784, 848, 880, 970, 980, 1060, 1067, 1078, 1166, 1232, 1358, 1484, 1540, 1552, 1855, 1940, 1960, 2120, 2134, 2156, 2332, 2597, 2695, 2716, 2915, 2968, 3080, 3395, 3710, 3880, 3920, 4081, 4240, 4268, 4312, 4664, 4753, 5141, 5194, 5335, 5390, 5432, 5830, 5936, 6160, 6790, 7420, 7469, 7760, 8162, 8536, 8624, 9328, 9506, 10282, 10388, 10670, 10780, 10864, 11660, 12985, 13580, 14840, 14938, 16324, 17072, 19012, 20405, 20564, 20776, 21340, 21560, 23320, 23765, 25705, 25970, 27160, 28567, 29680, 29876, 32648, 35987, 37345, 38024, 40810, 41128, 41552, 42680, 43120, 46640, 47530, 51410, 51940, 52283, 54320, 56551, 57134, 59752, 65296, 71974, 74690, 76048, 81620, 82256, 85360, 95060, 102820, 103880, 104566, 113102, 114268, 119504, 142835, 143948, 149380, 163240, 179935, 190120, 205640, 207760, 209132, 226204, 228536, 251909, 261415, 282755, 285670, 287896, 298760, 326480, 359870, 380240, 395857, 411280, 418264, 452408, 457072, 503818, 522830, 565510, 571340, 575792, 597520, 719740, 791714, 836528, 904816, 1007636, 1045660, 1131020, 1142680, 1259545, 1439480, 1583428, 1979285, 2015272, 2091320, 2262040, 2285360, 2519090, 2770999, 2878960, 3166856, 3958570, 4030544, 4182640, 4524080, 5038180, 5541998, 6333712, 7917140, 10076360, 11083996, 13854995, 15834280, 20152720, 22167992, 27709990, 31668560, 44335984, 55419980, 110839960, 221679920]

約数ペア:

[(1, 221679920), (2, 110839960), (4, 55419980), (5, 44335984), (7, 31668560), (8, 27709990), (10, 22167992), (11, 20152720), (14, 15834280), (16, 13854995), (20, 11083996), (22, 10076360), (28, 7917140), (35, 6333712), (40, 5541998), (44, 5038180), (49, 4524080), (53, 4182640), (55, 4030544), (56, 3958570), (70, 3166856), (77, 2878960), (80, 2770999), (88, 2519090), (97, 2285360), (98, 2262040), (106, 2091320), (110, 2015272), (112, 1979285), (140, 1583428), (154, 1439480), (176, 1259545), (194, 1142680), (196, 1131020), (212, 1045660), (220, 1007636), (245, 904816), (265, 836528), (280, 791714), (308, 719740), (371, 597520), (385, 575792), (388, 571340), (392, 565510), (424, 522830), (440, 503818), (485, 457072), (490, 452408), (530, 418264), (539, 411280), (560, 395857), (583, 380240), (616, 359870), (679, 326480), (742, 298760), (770, 287896), (776, 285670), (784, 282755), (848, 261415), (880, 251909), (970, 228536), (980, 226204), (1060, 209132), (1067, 207760), (1078, 205640), (1166, 190120), (1232, 179935), (1358, 163240), (1484, 149380), (1540, 143948), (1552, 142835), (1855, 119504), (1940, 114268), (1960, 113102), (2120, 104566), (2134, 103880), (2156, 102820), (2332, 95060), (2597, 85360), (2695, 82256), (2716, 81620), (2915, 76048), (2968, 74690), (3080, 71974), (3395, 65296), (3710, 59752), (3880, 57134), (3920, 56551), (4081, 54320), (4240, 52283), (4268, 51940), (4312, 51410), (4664, 47530), (4753, 46640), (5141, 43120), (5194, 42680), (5335, 41552), (5390, 41128), (5432, 40810), (5830, 38024), (5936, 37345), (6160, 35987), (6790, 32648), (7420, 29876), (7469, 29680), (7760, 28567), (8162, 27160), (8536, 25970), (8624, 25705), (9328, 23765), (9506, 23320), (10282, 21560), (10388, 21340), (10670, 20776), (10780, 20564), (10864, 20405), (11660, 19012), (12985, 17072), (13580, 16324), (14840, 14938)]