190587460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 467691840

約数和(自身を除く): 277104380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 439, 443, 490, 878, 886, 980, 1756, 1772, 2195, 2215, 3073, 3101, 4390, 4430, 6146, 6202, 8780, 8860, 12292, 12404, 15365, 15505, 21511, 21707, 30730, 31010, 43022, 43414, 61460, 62020, 86044, 86828, 107555, 108535, 194477, 215110, 217070, 388954, 430220, 434140, 777908, 972385, 1361339, 1944770, 2722678, 3889540, 5445356, 6806695, 9529373, 13613390, 19058746, 27226780, 38117492, 47646865, 95293730, 190587460]

約数ペア:

[(1, 190587460), (2, 95293730), (4, 47646865), (5, 38117492), (7, 27226780), (10, 19058746), (14, 13613390), (20, 9529373), (28, 6806695), (35, 5445356), (49, 3889540), (70, 2722678), (98, 1944770), (140, 1361339), (196, 972385), (245, 777908), (439, 434140), (443, 430220), (490, 388954), (878, 217070), (886, 215110), (980, 194477), (1756, 108535), (1772, 107555), (2195, 86828), (2215, 86044), (3073, 62020), (3101, 61460), (4390, 43414), (4430, 43022), (6146, 31010), (6202, 30730), (8780, 21707), (8860, 21511), (12292, 15505), (12404, 15365)]