213881290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{160813}}^1$

素因数の和:160846

約数の個数: 32

約数和(自身を含む): 463144320

約数和(自身を除く): 249263030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 160813, 321626, 804065, 1125691, 1608130, 2251382, 3055447, 5628455, 6110894, 11256910, 15277235, 21388129, 30554470, 42776258, 106940645, 213881290]

約数ペア:

[(1, 213881290), (2, 106940645), (5, 42776258), (7, 30554470), (10, 21388129), (14, 15277235), (19, 11256910), (35, 6110894), (38, 5628455), (70, 3055447), (95, 2251382), (133, 1608130), (190, 1125691), (266, 804065), (665, 321626), (1330, 160813)]