2012510020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{278741}}^1$

素因数の和:278788

約数の個数: 36

約数和(自身を含む): 4460429484

約数和(自身を除く): 2447919464

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 278741, 557482, 1114964, 1393705, 2787410, 5296079, 5574820, 10592158, 21184316, 26480395, 52960790, 100625501, 105921580, 201251002, 402502004, 503127505, 1006255010, 2012510020]

約数ペア:

[(1, 2012510020), (2, 1006255010), (4, 503127505), (5, 402502004), (10, 201251002), (19, 105921580), (20, 100625501), (38, 52960790), (76, 26480395), (95, 21184316), (190, 10592158), (361, 5574820), (380, 5296079), (722, 2787410), (1444, 1393705), (1805, 1114964), (3610, 557482), (7220, 278741)]