261170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:75

約数の個数: 48

約数和(自身を含む): 603288

約数和(自身を除く): 342118

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 49, 65, 70, 82, 91, 98, 130, 182, 205, 245, 287, 410, 455, 490, 533, 574, 637, 910, 1066, 1274, 1435, 2009, 2665, 2870, 3185, 3731, 4018, 5330, 6370, 7462, 10045, 18655, 20090, 26117, 37310, 52234, 130585, 261170]

約数ペア:

[(1, 261170), (2, 130585), (5, 52234), (7, 37310), (10, 26117), (13, 20090), (14, 18655), (26, 10045), (35, 7462), (41, 6370), (49, 5330), (65, 4018), (70, 3731), (82, 3185), (91, 2870), (98, 2665), (130, 2009), (182, 1435), (205, 1274), (245, 1066), (287, 910), (410, 637), (455, 574), (490, 533)]