349217180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{10253}}^1$

素因数の和:10406

約数の個数: 48

約数和(自身を含む): 795874464

約数和(自身を除く): 446657284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 10253, 17030, 20506, 34060, 41012, 51265, 102530, 133289, 205060, 266578, 533156, 666445, 1332890, 1343143, 2665780, 2686286, 5372572, 6715715, 13431430, 17460859, 26862860, 34921718, 69843436, 87304295, 174608590, 349217180]

約数ペア:

[(1, 349217180), (2, 174608590), (4, 87304295), (5, 69843436), (10, 34921718), (13, 26862860), (20, 17460859), (26, 13431430), (52, 6715715), (65, 5372572), (130, 2686286), (131, 2665780), (260, 1343143), (262, 1332890), (524, 666445), (655, 533156), (1310, 266578), (1703, 205060), (2620, 133289), (3406, 102530), (6812, 51265), (8515, 41012), (10253, 34060), (17030, 20506)]