13710020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 30676800

約数和(自身を除く): 16966780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 331, 380, 436, 545, 662, 1090, 1324, 1655, 2071, 2180, 3310, 4142, 6289, 6620, 8284, 10355, 12578, 20710, 25156, 31445, 36079, 41420, 62890, 72158, 125780, 144316, 180395, 360790, 685501, 721580, 1371002, 2742004, 3427505, 6855010, 13710020]

約数ペア:

[(1, 13710020), (2, 6855010), (4, 3427505), (5, 2742004), (10, 1371002), (19, 721580), (20, 685501), (38, 360790), (76, 180395), (95, 144316), (109, 125780), (190, 72158), (218, 62890), (331, 41420), (380, 36079), (436, 31445), (545, 25156), (662, 20710), (1090, 12578), (1324, 10355), (1655, 8284), (2071, 6620), (2180, 6289), (3310, 4142)]