120805420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1237}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 268299360

約数和(自身を除く): 147493940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 1028, 1237, 1285, 2474, 2570, 4883, 4948, 5140, 6185, 9766, 12370, 19532, 23503, 24415, 24740, 47006, 48830, 94012, 97660, 117515, 235030, 317909, 470060, 635818, 1271636, 1589545, 3179090, 6040271, 6358180, 12080542, 24161084, 30201355, 60402710, 120805420]

約数ペア:

[(1, 120805420), (2, 60402710), (4, 30201355), (5, 24161084), (10, 12080542), (19, 6358180), (20, 6040271), (38, 3179090), (76, 1589545), (95, 1271636), (190, 635818), (257, 470060), (380, 317909), (514, 235030), (1028, 117515), (1237, 97660), (1285, 94012), (2474, 48830), (2570, 47006), (4883, 24740), (4948, 24415), (5140, 23503), (6185, 19532), (9766, 12370)]