280145152

素因数分解:

$2^8\times 7^2\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1024

約数の個数: 108

約数和(自身を含む): 679474656

約数和(自身を除く): 399329504

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 256, 322, 368, 392, 448, 644, 736, 784, 896, 971, 1127, 1288, 1472, 1568, 1792, 1942, 2254, 2576, 2944, 3136, 3884, 4508, 5152, 5888, 6272, 6797, 7768, 9016, 10304, 12544, 13594, 15536, 18032, 20608, 22333, 27188, 31072, 36064, 41216, 44666, 47579, 54376, 62144, 72128, 89332, 95158, 108752, 124288, 144256, 156331, 178664, 190316, 217504, 248576, 288512, 312662, 357328, 380632, 435008, 625324, 714656, 761264, 870016, 1094317, 1250648, 1429312, 1522528, 1740032, 2188634, 2501296, 2858624, 3045056, 4377268, 5002592, 5717248, 6090112, 8754536, 10005184, 12180224, 17509072, 20010368, 35018144, 40020736, 70036288, 140072576, 280145152]

約数ペア:

[(1, 280145152), (2, 140072576), (4, 70036288), (7, 40020736), (8, 35018144), (14, 20010368), (16, 17509072), (23, 12180224), (28, 10005184), (32, 8754536), (46, 6090112), (49, 5717248), (56, 5002592), (64, 4377268), (92, 3045056), (98, 2858624), (112, 2501296), (128, 2188634), (161, 1740032), (184, 1522528), (196, 1429312), (224, 1250648), (256, 1094317), (322, 870016), (368, 761264), (392, 714656), (448, 625324), (644, 435008), (736, 380632), (784, 357328), (896, 312662), (971, 288512), (1127, 248576), (1288, 217504), (1472, 190316), (1568, 178664), (1792, 156331), (1942, 144256), (2254, 124288), (2576, 108752), (2944, 95158), (3136, 89332), (3884, 72128), (4508, 62144), (5152, 54376), (5888, 47579), (6272, 44666), (6797, 41216), (7768, 36064), (9016, 31072), (10304, 27188), (12544, 22333), (13594, 20608), (15536, 18032)]