209962760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2161}}^1$

素因数の和:2526

約数の個数: 64

約数和(自身を含む): 541710720

約数和(自身を除く): 331747960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 347, 694, 1388, 1735, 2161, 2429, 2776, 3470, 4322, 4858, 6940, 8644, 9716, 10805, 12145, 13880, 15127, 17288, 19432, 21610, 24290, 30254, 43220, 48580, 60508, 75635, 86440, 97160, 121016, 151270, 302540, 605080, 749867, 1499734, 2999468, 3749335, 5249069, 5998936, 7498670, 10498138, 14997340, 20996276, 26245345, 29994680, 41992552, 52490690, 104981380, 209962760]

約数ペア:

[(1, 209962760), (2, 104981380), (4, 52490690), (5, 41992552), (7, 29994680), (8, 26245345), (10, 20996276), (14, 14997340), (20, 10498138), (28, 7498670), (35, 5998936), (40, 5249069), (56, 3749335), (70, 2999468), (140, 1499734), (280, 749867), (347, 605080), (694, 302540), (1388, 151270), (1735, 121016), (2161, 97160), (2429, 86440), (2776, 75635), (3470, 60508), (4322, 48580), (4858, 43220), (6940, 30254), (8644, 24290), (9716, 21610), (10805, 19432), (12145, 17288), (13880, 15127)]