420855512

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 1022976000

約数和(自身を除く): 602120488

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 73, 77, 88, 98, 146, 154, 191, 196, 292, 308, 343, 382, 392, 511, 539, 584, 616, 686, 764, 803, 1022, 1078, 1337, 1372, 1528, 1606, 2044, 2101, 2156, 2674, 2744, 3212, 3577, 3773, 4088, 4202, 4312, 5348, 5621, 6424, 7154, 7546, 8404, 9359, 10696, 11242, 13943, 14308, 14707, 15092, 16808, 18718, 22484, 25039, 27886, 28616, 29414, 30184, 37436, 39347, 44968, 50078, 55772, 58828, 65513, 74872, 78694, 97601, 100156, 102949, 111544, 117656, 131026, 153373, 157388, 195202, 200312, 205898, 262052, 275429, 306746, 314776, 390404, 411796, 524104, 550858, 613492, 683207, 720643, 780808, 823592, 1073611, 1101716, 1226984, 1366414, 1441286, 2147222, 2203432, 2732828, 2882572, 4294444, 4782449, 5465656, 5765144, 7515277, 8588888, 9564898, 15030554, 19129796, 30061108, 38259592, 52606939, 60122216, 105213878, 210427756, 420855512]

約数ペア:

[(1, 420855512), (2, 210427756), (4, 105213878), (7, 60122216), (8, 52606939), (11, 38259592), (14, 30061108), (22, 19129796), (28, 15030554), (44, 9564898), (49, 8588888), (56, 7515277), (73, 5765144), (77, 5465656), (88, 4782449), (98, 4294444), (146, 2882572), (154, 2732828), (191, 2203432), (196, 2147222), (292, 1441286), (308, 1366414), (343, 1226984), (382, 1101716), (392, 1073611), (511, 823592), (539, 780808), (584, 720643), (616, 683207), (686, 613492), (764, 550858), (803, 524104), (1022, 411796), (1078, 390404), (1337, 314776), (1372, 306746), (1528, 275429), (1606, 262052), (2044, 205898), (2101, 200312), (2156, 195202), (2674, 157388), (2744, 153373), (3212, 131026), (3577, 117656), (3773, 111544), (4088, 102949), (4202, 100156), (4312, 97601), (5348, 78694), (5621, 74872), (6424, 65513), (7154, 58828), (7546, 55772), (8404, 50078), (9359, 44968), (10696, 39347), (11242, 37436), (13943, 30184), (14308, 29414), (14707, 28616), (15092, 27886), (16808, 25039), (18718, 22484)]