219126340

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{41659}}^1$

素因数の和:41931

約数の個数: 24

約数和(自身を含む): 461926080

約数和(自身を除く): 242799740

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 41659, 83318, 166636, 208295, 416590, 833180, 10956317, 21912634, 43825268, 54781585, 109563170, 219126340]

約数ペア:

[(1, 219126340), (2, 109563170), (4, 54781585), (5, 43825268), (10, 21912634), (20, 10956317), (263, 833180), (526, 416590), (1052, 208295), (1315, 166636), (2630, 83318), (5260, 41659)]