289789030

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 529325280

約数和(自身を除く): 239536250

約数列:

[1, 2, 5, 10, 131, 157, 262, 314, 655, 785, 1310, 1409, 1570, 2818, 7045, 14090, 20567, 41134, 102835, 184579, 205670, 221213, 369158, 442426, 922895, 1106065, 1845790, 2212130, 28978903, 57957806, 144894515, 289789030]

約数ペア:

[(1, 289789030), (2, 144894515), (5, 57957806), (10, 28978903), (131, 2212130), (157, 1845790), (262, 1106065), (314, 922895), (655, 442426), (785, 369158), (1310, 221213), (1409, 205670), (1570, 184579), (2818, 102835), (7045, 41134), (14090, 20567)]