2019461780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{197599}}^1$

素因数の和:197688

約数の個数: 48

約数和(自身を含む): 4913126400

約数和(自身を除く): 2893664620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 197599, 395198, 790396, 987995, 1383193, 1975990, 2766386, 3951980, 5532772, 6915965, 13831930, 14424727, 27663860, 28849454, 57698908, 72123635, 100973089, 144247270, 201946178, 288494540, 403892356, 504865445, 1009730890, 2019461780]

約数ペア:

[(1, 2019461780), (2, 1009730890), (4, 504865445), (5, 403892356), (7, 288494540), (10, 201946178), (14, 144247270), (20, 100973089), (28, 72123635), (35, 57698908), (70, 28849454), (73, 27663860), (140, 14424727), (146, 13831930), (292, 6915965), (365, 5532772), (511, 3951980), (730, 2766386), (1022, 1975990), (1460, 1383193), (2044, 987995), (2555, 790396), (5110, 395198), (10220, 197599)]