420456245495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28921}}^1\times {\mathrm{20333}}^1$

素因数の和:49283

約数の個数: 32

約数和(自身を含む): 592804747584

約数和(自身を除く): 172348502089

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 20333, 28921, 101665, 144605, 223663, 264329, 318131, 375973, 1118315, 1321645, 1590655, 1879865, 2907619, 4135703, 14538095, 20678515, 588050693, 2940253465, 6468557623, 7644659009, 32342788115, 38223295045, 84091249099, 420456245495]

約数ペア:

[(1, 420456245495), (5, 84091249099), (11, 38223295045), (13, 32342788115), (55, 7644659009), (65, 6468557623), (143, 2940253465), (715, 588050693), (20333, 20678515), (28921, 14538095), (101665, 4135703), (144605, 2907619), (223663, 1879865), (264329, 1590655), (318131, 1321645), (375973, 1118315)]