204912864

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 632923200

約数和(自身を除く): 428010336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 229, 234, 239, 288, 312, 416, 458, 468, 478, 624, 687, 717, 916, 936, 956, 1248, 1374, 1434, 1832, 1872, 1912, 2061, 2151, 2748, 2868, 2977, 3107, 3664, 3744, 3824, 4122, 4302, 5496, 5736, 5954, 6214, 7328, 7648, 8244, 8604, 8931, 9321, 10992, 11472, 11908, 12428, 16488, 17208, 17862, 18642, 21984, 22944, 23816, 24856, 26793, 27963, 32976, 34416, 35724, 37284, 47632, 49712, 53586, 54731, 55926, 65952, 68832, 71448, 74568, 95264, 99424, 107172, 109462, 111852, 142896, 149136, 164193, 214344, 218924, 223704, 285792, 298272, 328386, 428688, 437848, 447408, 492579, 656772, 711503, 857376, 875696, 894816, 985158, 1313544, 1423006, 1751392, 1970316, 2134509, 2627088, 2846012, 3940632, 4269018, 5254176, 5692024, 6403527, 7881264, 8538036, 11384048, 12807054, 15762528, 17076072, 22768096, 25614108, 34152144, 51228216, 68304288, 102456432, 204912864]

約数ペア:

[(1, 204912864), (2, 102456432), (3, 68304288), (4, 51228216), (6, 34152144), (8, 25614108), (9, 22768096), (12, 17076072), (13, 15762528), (16, 12807054), (18, 11384048), (24, 8538036), (26, 7881264), (32, 6403527), (36, 5692024), (39, 5254176), (48, 4269018), (52, 3940632), (72, 2846012), (78, 2627088), (96, 2134509), (104, 1970316), (117, 1751392), (144, 1423006), (156, 1313544), (208, 985158), (229, 894816), (234, 875696), (239, 857376), (288, 711503), (312, 656772), (416, 492579), (458, 447408), (468, 437848), (478, 428688), (624, 328386), (687, 298272), (717, 285792), (916, 223704), (936, 218924), (956, 214344), (1248, 164193), (1374, 149136), (1434, 142896), (1832, 111852), (1872, 109462), (1912, 107172), (2061, 99424), (2151, 95264), (2748, 74568), (2868, 71448), (2977, 68832), (3107, 65952), (3664, 55926), (3744, 54731), (3824, 53586), (4122, 49712), (4302, 47632), (5496, 37284), (5736, 35724), (5954, 34416), (6214, 32976), (7328, 27963), (7648, 26793), (8244, 24856), (8604, 23816), (8931, 22944), (9321, 21984), (10992, 18642), (11472, 17862), (11908, 17208), (12428, 16488)]