420047554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1\times {\mathrm{491}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 680140800

約数和(自身を除く): 260093246

約数列:

[1, 2, 19, 38, 47, 94, 479, 491, 893, 958, 982, 1786, 9101, 9329, 18202, 18658, 22513, 23077, 45026, 46154, 235189, 427747, 438463, 470378, 855494, 876926, 4468591, 8937182, 11053883, 22107766, 210023777, 420047554]

約数ペア:

[(1, 420047554), (2, 210023777), (19, 22107766), (38, 11053883), (47, 8937182), (94, 4468591), (479, 876926), (491, 855494), (893, 470378), (958, 438463), (982, 427747), (1786, 235189), (9101, 46154), (9329, 45026), (18202, 23077), (18658, 22513)]