154216940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{248737}}^1$

素因数の和:248777

約数の個数: 24

約数和(自身を含む): 334303872

約数和(自身を除く): 180086932

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 248737, 497474, 994948, 1243685, 2487370, 4974740, 7710847, 15421694, 30843388, 38554235, 77108470, 154216940]

約数ペア:

[(1, 154216940), (2, 77108470), (4, 38554235), (5, 30843388), (10, 15421694), (20, 7710847), (31, 4974740), (62, 2487370), (124, 1243685), (155, 994948), (310, 497474), (620, 248737)]