30170980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{215507}}^1$

素因数の和:215523

約数の個数: 24

約数和(自身を含む): 72410688

約数和(自身を除く): 42239708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 215507, 431014, 862028, 1077535, 1508549, 2155070, 3017098, 4310140, 6034196, 7542745, 15085490, 30170980]

約数ペア:

[(1, 30170980), (2, 15085490), (4, 7542745), (5, 6034196), (7, 4310140), (10, 3017098), (14, 2155070), (20, 1508549), (28, 1077535), (35, 862028), (70, 431014), (140, 215507)]