306021940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2185871}}^1$

素因数の和:2185887

約数の個数: 24

約数和(自身を含む): 734452992

約数和(自身を除く): 428431052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2185871, 4371742, 8743484, 10929355, 15301097, 21858710, 30602194, 43717420, 61204388, 76505485, 153010970, 306021940]

約数ペア:

[(1, 306021940), (2, 153010970), (4, 76505485), (5, 61204388), (7, 43717420), (10, 30602194), (14, 21858710), (20, 15301097), (28, 10929355), (35, 8743484), (70, 4371742), (140, 2185871)]