3218180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 7827456

約数和(自身を除く): 4609276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 181, 254, 362, 508, 635, 724, 889, 905, 1267, 1270, 1778, 1810, 2534, 2540, 3556, 3620, 4445, 5068, 6335, 8890, 12670, 17780, 22987, 25340, 45974, 91948, 114935, 160909, 229870, 321818, 459740, 643636, 804545, 1609090, 3218180]

約数ペア:

[(1, 3218180), (2, 1609090), (4, 804545), (5, 643636), (7, 459740), (10, 321818), (14, 229870), (20, 160909), (28, 114935), (35, 91948), (70, 45974), (127, 25340), (140, 22987), (181, 17780), (254, 12670), (362, 8890), (508, 6335), (635, 5068), (724, 4445), (889, 3620), (905, 3556), (1267, 2540), (1270, 2534), (1778, 1810)]