13719140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 30777600

約数和(自身を除く): 17058460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 457, 790, 914, 1501, 1580, 1828, 2285, 3002, 4570, 6004, 7505, 8683, 9140, 15010, 17366, 30020, 34732, 36103, 43415, 72206, 86830, 144412, 173660, 180515, 361030, 685957, 722060, 1371914, 2743828, 3429785, 6859570, 13719140]

約数ペア:

[(1, 13719140), (2, 6859570), (4, 3429785), (5, 2743828), (10, 1371914), (19, 722060), (20, 685957), (38, 361030), (76, 180515), (79, 173660), (95, 144412), (158, 86830), (190, 72206), (316, 43415), (380, 36103), (395, 34732), (457, 30020), (790, 17366), (914, 15010), (1501, 9140), (1580, 8683), (1828, 7505), (2285, 6004), (3002, 4570)]