408078256

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 849008160

約数和(自身を除く): 440929904

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 113, 116, 172, 181, 226, 232, 344, 362, 452, 464, 688, 724, 904, 1247, 1448, 1808, 2494, 2896, 3277, 4859, 4988, 5249, 6554, 7783, 9718, 9976, 10498, 13108, 15566, 19436, 19952, 20453, 20996, 26216, 31132, 38872, 40906, 41992, 52432, 62264, 77744, 81812, 83984, 124528, 140911, 163624, 225707, 281822, 327248, 451414, 563644, 593137, 879479, 902828, 1127288, 1186274, 1758958, 1805656, 2254576, 2372548, 3517916, 3611312, 4745096, 7035832, 9490192, 14071664, 25504891, 51009782, 102019564, 204039128, 408078256]

約数ペア:

[(1, 408078256), (2, 204039128), (4, 102019564), (8, 51009782), (16, 25504891), (29, 14071664), (43, 9490192), (58, 7035832), (86, 4745096), (113, 3611312), (116, 3517916), (172, 2372548), (181, 2254576), (226, 1805656), (232, 1758958), (344, 1186274), (362, 1127288), (452, 902828), (464, 879479), (688, 593137), (724, 563644), (904, 451414), (1247, 327248), (1448, 281822), (1808, 225707), (2494, 163624), (2896, 140911), (3277, 124528), (4859, 83984), (4988, 81812), (5249, 77744), (6554, 62264), (7783, 52432), (9718, 41992), (9976, 40906), (10498, 38872), (13108, 31132), (15566, 26216), (19436, 20996), (19952, 20453)]