257530672

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 615764160

約数和(自身を除く): 358233488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 47, 49, 56, 58, 94, 98, 112, 116, 188, 196, 203, 232, 241, 329, 376, 392, 406, 464, 482, 658, 752, 784, 812, 964, 1316, 1363, 1421, 1624, 1687, 1928, 2303, 2632, 2726, 2842, 3248, 3374, 3856, 4606, 5264, 5452, 5684, 6748, 6989, 9212, 9541, 10904, 11327, 11368, 11809, 13496, 13978, 18424, 19082, 21808, 22654, 22736, 23618, 26992, 27956, 36848, 38164, 45308, 47236, 48923, 55912, 66787, 76328, 79289, 90616, 94472, 97846, 111824, 133574, 152656, 158578, 181232, 188944, 195692, 267148, 317156, 328483, 342461, 391384, 534296, 555023, 634312, 656966, 684922, 782768, 1068592, 1110046, 1268624, 1313932, 1369844, 2220092, 2299381, 2627864, 2739688, 4440184, 4598762, 5255728, 5479376, 8880368, 9197524, 16095667, 18395048, 32191334, 36790096, 64382668, 128765336, 257530672]

約数ペア:

[(1, 257530672), (2, 128765336), (4, 64382668), (7, 36790096), (8, 32191334), (14, 18395048), (16, 16095667), (28, 9197524), (29, 8880368), (47, 5479376), (49, 5255728), (56, 4598762), (58, 4440184), (94, 2739688), (98, 2627864), (112, 2299381), (116, 2220092), (188, 1369844), (196, 1313932), (203, 1268624), (232, 1110046), (241, 1068592), (329, 782768), (376, 684922), (392, 656966), (406, 634312), (464, 555023), (482, 534296), (658, 391384), (752, 342461), (784, 328483), (812, 317156), (964, 267148), (1316, 195692), (1363, 188944), (1421, 181232), (1624, 158578), (1687, 152656), (1928, 133574), (2303, 111824), (2632, 97846), (2726, 94472), (2842, 90616), (3248, 79289), (3374, 76328), (3856, 66787), (4606, 55912), (5264, 48923), (5452, 47236), (5684, 45308), (6748, 38164), (6989, 36848), (9212, 27956), (9541, 26992), (10904, 23618), (11327, 22736), (11368, 22654), (11809, 21808), (13496, 19082), (13978, 18424)]