420226235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18959}}^1$

素因数の和:19019

約数の個数: 32

約数和(自身を含む): 611573760

約数和(自身を除く): 191347525

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 1705, 2015, 4433, 18959, 22165, 94795, 208549, 246467, 587729, 1042745, 1232335, 2711137, 2938645, 6465019, 7640477, 13555685, 32325095, 38202385, 84045247, 420226235]

約数ペア:

[(1, 420226235), (5, 84045247), (11, 38202385), (13, 32325095), (31, 13555685), (55, 7640477), (65, 6465019), (143, 2938645), (155, 2711137), (341, 1232335), (403, 1042745), (715, 587729), (1705, 246467), (2015, 208549), (4433, 94795), (18959, 22165)]