245697816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 256

約数和(自身を含む): 825753600

約数和(自身を除く): 580055784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 31, 38, 39, 42, 52, 56, 57, 62, 76, 78, 84, 91, 93, 104, 114, 124, 133, 152, 156, 168, 182, 186, 191, 217, 228, 247, 248, 266, 273, 312, 364, 372, 382, 399, 403, 434, 456, 494, 532, 546, 573, 589, 651, 728, 741, 744, 764, 798, 806, 868, 988, 1064, 1092, 1146, 1178, 1209, 1302, 1337, 1482, 1528, 1596, 1612, 1729, 1736, 1767, 1976, 2184, 2292, 2356, 2418, 2483, 2604, 2674, 2821, 2964, 3192, 3224, 3458, 3534, 3629, 4011, 4123, 4584, 4712, 4836, 4966, 5187, 5208, 5348, 5642, 5921, 5928, 6916, 7068, 7258, 7449, 7657, 8022, 8246, 8463, 9672, 9932, 10374, 10696, 10887, 11284, 11842, 12369, 13832, 14136, 14516, 14898, 15314, 16044, 16492, 16926, 17381, 17763, 19864, 20748, 21774, 22568, 22971, 23684, 24738, 25403, 29032, 29796, 30628, 32088, 32984, 33852, 34762, 35526, 41447, 41496, 43548, 45942, 47177, 47368, 49476, 50806, 52143, 53599, 59592, 61256, 67704, 69524, 71052, 76209, 76973, 82894, 87096, 91884, 94354, 98952, 101612, 104286, 107198, 112499, 124341, 139048, 141531, 142104, 152418, 153946, 160797, 165788, 183768, 188708, 203224, 208572, 214396, 224998, 230919, 248682, 283062, 304836, 307892, 321594, 330239, 331576, 337497, 377416, 417144, 428792, 449996, 461838, 497364, 538811, 566124, 609672, 615784, 643188, 660478, 674994, 787493, 899992, 923676, 990717, 994728, 1077622, 1132248, 1286376, 1320956, 1349988, 1462487, 1574986, 1616433, 1847352, 1981434, 2155244, 2362479, 2641912, 2699976, 2924974, 3149972, 3232866, 3962868, 4310488, 4387461, 4724958, 5849948, 6299944, 6465732, 7925736, 8774922, 9449916, 10237409, 11699896, 12931464, 17549844, 18899832, 20474818, 30712227, 35099688, 40949636, 61424454, 81899272, 122848908, 245697816]

約数ペア:

[(1, 245697816), (2, 122848908), (3, 81899272), (4, 61424454), (6, 40949636), (7, 35099688), (8, 30712227), (12, 20474818), (13, 18899832), (14, 17549844), (19, 12931464), (21, 11699896), (24, 10237409), (26, 9449916), (28, 8774922), (31, 7925736), (38, 6465732), (39, 6299944), (42, 5849948), (52, 4724958), (56, 4387461), (57, 4310488), (62, 3962868), (76, 3232866), (78, 3149972), (84, 2924974), (91, 2699976), (93, 2641912), (104, 2362479), (114, 2155244), (124, 1981434), (133, 1847352), (152, 1616433), (156, 1574986), (168, 1462487), (182, 1349988), (186, 1320956), (191, 1286376), (217, 1132248), (228, 1077622), (247, 994728), (248, 990717), (266, 923676), (273, 899992), (312, 787493), (364, 674994), (372, 660478), (382, 643188), (399, 615784), (403, 609672), (434, 566124), (456, 538811), (494, 497364), (532, 461838), (546, 449996), (573, 428792), (589, 417144), (651, 377416), (728, 337497), (741, 331576), (744, 330239), (764, 321594), (798, 307892), (806, 304836), (868, 283062), (988, 248682), (1064, 230919), (1092, 224998), (1146, 214396), (1178, 208572), (1209, 203224), (1302, 188708), (1337, 183768), (1482, 165788), (1528, 160797), (1596, 153946), (1612, 152418), (1729, 142104), (1736, 141531), (1767, 139048), (1976, 124341), (2184, 112499), (2292, 107198), (2356, 104286), (2418, 101612), (2483, 98952), (2604, 94354), (2674, 91884), (2821, 87096), (2964, 82894), (3192, 76973), (3224, 76209), (3458, 71052), (3534, 69524), (3629, 67704), (4011, 61256), (4123, 59592), (4584, 53599), (4712, 52143), (4836, 50806), (4966, 49476), (5187, 47368), (5208, 47177), (5348, 45942), (5642, 43548), (5921, 41496), (5928, 41447), (6916, 35526), (7068, 34762), (7258, 33852), (7449, 32984), (7657, 32088), (8022, 30628), (8246, 29796), (8463, 29032), (9672, 25403), (9932, 24738), (10374, 23684), (10696, 22971), (10887, 22568), (11284, 21774), (11842, 20748), (12369, 19864), (13832, 17763), (14136, 17381), (14516, 16926), (14898, 16492), (15314, 16044)]