211546720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 216

約数和(自身を含む): 641898432

約数和(自身を除く): 430351712

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 160, 176, 196, 220, 223, 224, 242, 245, 280, 308, 352, 385, 392, 440, 446, 484, 490, 539, 560, 605, 616, 770, 784, 847, 880, 892, 968, 980, 1078, 1115, 1120, 1210, 1232, 1540, 1561, 1568, 1694, 1760, 1784, 1936, 1960, 2156, 2230, 2420, 2453, 2464, 2695, 3080, 3122, 3388, 3568, 3872, 3920, 4235, 4312, 4460, 4840, 4906, 5390, 5929, 6160, 6244, 6776, 7136, 7805, 7840, 8470, 8624, 8920, 9680, 9812, 10780, 10927, 11858, 12265, 12320, 12488, 13552, 15610, 16940, 17171, 17248, 17840, 19360, 19624, 21560, 21854, 23716, 24530, 24976, 26983, 27104, 29645, 31220, 33880, 34342, 35680, 39248, 43120, 43708, 47432, 49060, 49952, 53966, 54635, 59290, 62440, 67760, 68684, 78496, 85855, 86240, 87416, 94864, 98120, 107932, 109270, 118580, 120197, 124880, 134915, 135520, 137368, 171710, 174832, 188881, 189728, 196240, 215864, 218540, 237160, 240394, 249760, 269830, 274736, 343420, 349664, 377762, 392480, 431728, 437080, 474320, 480788, 539660, 549472, 600985, 686840, 755524, 863456, 874160, 944405, 948640, 961576, 1079320, 1201970, 1322167, 1373680, 1511048, 1748320, 1888810, 1923152, 2158640, 2403940, 2644334, 2747360, 3022096, 3777620, 3846304, 4317280, 4807880, 5288668, 6044192, 6610835, 7555240, 9615760, 10577336, 13221670, 15110480, 19231520, 21154672, 26443340, 30220960, 42309344, 52886680, 105773360, 211546720]

約数ペア:

[(1, 211546720), (2, 105773360), (4, 52886680), (5, 42309344), (7, 30220960), (8, 26443340), (10, 21154672), (11, 19231520), (14, 15110480), (16, 13221670), (20, 10577336), (22, 9615760), (28, 7555240), (32, 6610835), (35, 6044192), (40, 5288668), (44, 4807880), (49, 4317280), (55, 3846304), (56, 3777620), (70, 3022096), (77, 2747360), (80, 2644334), (88, 2403940), (98, 2158640), (110, 1923152), (112, 1888810), (121, 1748320), (140, 1511048), (154, 1373680), (160, 1322167), (176, 1201970), (196, 1079320), (220, 961576), (223, 948640), (224, 944405), (242, 874160), (245, 863456), (280, 755524), (308, 686840), (352, 600985), (385, 549472), (392, 539660), (440, 480788), (446, 474320), (484, 437080), (490, 431728), (539, 392480), (560, 377762), (605, 349664), (616, 343420), (770, 274736), (784, 269830), (847, 249760), (880, 240394), (892, 237160), (968, 218540), (980, 215864), (1078, 196240), (1115, 189728), (1120, 188881), (1210, 174832), (1232, 171710), (1540, 137368), (1561, 135520), (1568, 134915), (1694, 124880), (1760, 120197), (1784, 118580), (1936, 109270), (1960, 107932), (2156, 98120), (2230, 94864), (2420, 87416), (2453, 86240), (2464, 85855), (2695, 78496), (3080, 68684), (3122, 67760), (3388, 62440), (3568, 59290), (3872, 54635), (3920, 53966), (4235, 49952), (4312, 49060), (4460, 47432), (4840, 43708), (4906, 43120), (5390, 39248), (5929, 35680), (6160, 34342), (6244, 33880), (6776, 31220), (7136, 29645), (7805, 27104), (7840, 26983), (8470, 24976), (8624, 24530), (8920, 23716), (9680, 21854), (9812, 21560), (10780, 19624), (10927, 19360), (11858, 17840), (12265, 17248), (12320, 17171), (12488, 16940), (13552, 15610)]