117958180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 252040320

約数和(自身を除く): 134082140

約数列:

[1, 2, 4, 5, 10, 20, 139, 151, 278, 281, 302, 556, 562, 604, 695, 755, 1124, 1390, 1405, 1510, 2780, 2810, 3020, 5620, 20989, 39059, 41978, 42431, 78118, 83956, 84862, 104945, 156236, 169724, 195295, 209890, 212155, 390590, 419780, 424310, 781180, 848620, 5897909, 11795818, 23591636, 29489545, 58979090, 117958180]

約数ペア:

[(1, 117958180), (2, 58979090), (4, 29489545), (5, 23591636), (10, 11795818), (20, 5897909), (139, 848620), (151, 781180), (278, 424310), (281, 419780), (302, 390590), (556, 212155), (562, 209890), (604, 195295), (695, 169724), (755, 156236), (1124, 104945), (1390, 84862), (1405, 83956), (1510, 78118), (2780, 42431), (2810, 41978), (3020, 39059), (5620, 20989)]