169691660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{1237}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 376451040

約数和(自身を除く): 206759380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1237, 1444, 1805, 2474, 3610, 4948, 6185, 6859, 7220, 12370, 13718, 23503, 24740, 27436, 34295, 47006, 68590, 94012, 117515, 137180, 235030, 446557, 470060, 893114, 1786228, 2232785, 4465570, 8484583, 8931140, 16969166, 33938332, 42422915, 84845830, 169691660]

約数ペア:

[(1, 169691660), (2, 84845830), (4, 42422915), (5, 33938332), (10, 16969166), (19, 8931140), (20, 8484583), (38, 4465570), (76, 2232785), (95, 1786228), (190, 893114), (361, 470060), (380, 446557), (722, 235030), (1237, 137180), (1444, 117515), (1805, 94012), (2474, 68590), (3610, 47006), (4948, 34295), (6185, 27436), (6859, 24740), (7220, 23503), (12370, 13718)]