179179780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2543}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 406877184

約数和(自身を除く): 227697404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 1084, 1355, 2543, 2710, 3523, 5086, 5420, 7046, 10172, 12715, 14092, 17615, 25430, 33059, 35230, 50860, 66118, 70460, 132236, 165295, 330590, 661180, 689153, 1378306, 2756612, 3445765, 6891530, 8958989, 13783060, 17917978, 35835956, 44794945, 89589890, 179179780]

約数ペア:

[(1, 179179780), (2, 89589890), (4, 44794945), (5, 35835956), (10, 17917978), (13, 13783060), (20, 8958989), (26, 6891530), (52, 3445765), (65, 2756612), (130, 1378306), (260, 689153), (271, 661180), (542, 330590), (1084, 165295), (1355, 132236), (2543, 70460), (2710, 66118), (3523, 50860), (5086, 35230), (5420, 33059), (7046, 25430), (10172, 17615), (12715, 14092)]