280328384

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21577}}^1$

素因数の和:21625

約数の個数: 56

約数和(自身を含む): 657697440

約数和(自身を除く): 377369056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1624, 1856, 3248, 6496, 12992, 21577, 43154, 86308, 151039, 172616, 302078, 345232, 604156, 625733, 690464, 1208312, 1251466, 1380928, 2416624, 2502932, 4380131, 4833248, 5005864, 8760262, 9666496, 10011728, 17520524, 20023456, 35041048, 40046912, 70082096, 140164192, 280328384]

約数ペア:

[(1, 280328384), (2, 140164192), (4, 70082096), (7, 40046912), (8, 35041048), (14, 20023456), (16, 17520524), (28, 10011728), (29, 9666496), (32, 8760262), (56, 5005864), (58, 4833248), (64, 4380131), (112, 2502932), (116, 2416624), (203, 1380928), (224, 1251466), (232, 1208312), (406, 690464), (448, 625733), (464, 604156), (812, 345232), (928, 302078), (1624, 172616), (1856, 151039), (3248, 86308), (6496, 43154), (12992, 21577)]