450984940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3221321}}^1$

素因数の和:3221337

約数の個数: 24

約数和(自身を含む): 1082364192

約数和(自身を除く): 631379252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3221321, 6442642, 12885284, 16106605, 22549247, 32213210, 45098494, 64426420, 90196988, 112746235, 225492470, 450984940]

約数ペア:

[(1, 450984940), (2, 225492470), (4, 112746235), (5, 90196988), (7, 64426420), (10, 45098494), (14, 32213210), (20, 22549247), (28, 16106605), (35, 12885284), (70, 6442642), (140, 3221321)]