28198620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156659}}^1$

素因数の和:156674

約数の個数: 36

約数和(自身を含む): 85536360

約数和(自身を除く): 57337740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156659, 313318, 469977, 626636, 783295, 939954, 1409931, 1566590, 1879908, 2349885, 2819862, 3133180, 4699770, 5639724, 7049655, 9399540, 14099310, 28198620]

約数ペア:

[(1, 28198620), (2, 14099310), (3, 9399540), (4, 7049655), (5, 5639724), (6, 4699770), (9, 3133180), (10, 2819862), (12, 2349885), (15, 1879908), (18, 1566590), (20, 1409931), (30, 939954), (36, 783295), (45, 626636), (60, 469977), (90, 313318), (180, 156659)]