149478980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1067707}}^1$

素因数の和:1067723

約数の個数: 24

約数和(自身を含む): 358749888

約数和(自身を除く): 209270908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1067707, 2135414, 4270828, 5338535, 7473949, 10677070, 14947898, 21354140, 29895796, 37369745, 74739490, 149478980]

約数ペア:

[(1, 149478980), (2, 74739490), (4, 37369745), (5, 29895796), (7, 21354140), (10, 14947898), (14, 10677070), (20, 7473949), (28, 5338535), (35, 4270828), (70, 2135414), (140, 1067707)]