169409890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 349453440

約数和(自身を除く): 180043550

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 107, 130, 190, 214, 247, 494, 535, 641, 1070, 1235, 1282, 1391, 2033, 2470, 2782, 3205, 4066, 6410, 6955, 8333, 10165, 12179, 13910, 16666, 20330, 24358, 26429, 41665, 52858, 60895, 68587, 83330, 121790, 132145, 137174, 158327, 264290, 316654, 342935, 685870, 791635, 891631, 1303153, 1583270, 1783262, 2606306, 4458155, 6515765, 8916310, 13031530, 16940989, 33881978, 84704945, 169409890]

約数ペア:

[(1, 169409890), (2, 84704945), (5, 33881978), (10, 16940989), (13, 13031530), (19, 8916310), (26, 6515765), (38, 4458155), (65, 2606306), (95, 1783262), (107, 1583270), (130, 1303153), (190, 891631), (214, 791635), (247, 685870), (494, 342935), (535, 316654), (641, 264290), (1070, 158327), (1235, 137174), (1282, 132145), (1391, 121790), (2033, 83330), (2470, 68587), (2782, 60895), (3205, 52858), (4066, 41665), (6410, 26429), (6955, 24358), (8333, 20330), (10165, 16666), (12179, 13910)]