219622370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 442368000

約数和(自身を除く): 222745630

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 127, 158, 199, 254, 395, 398, 635, 790, 869, 995, 1270, 1397, 1738, 1990, 2189, 2794, 4345, 4378, 6985, 8690, 10033, 10945, 13970, 15721, 20066, 21890, 25273, 31442, 50165, 50546, 78605, 100330, 110363, 126365, 157210, 172931, 220726, 252730, 278003, 345862, 551815, 556006, 864655, 1103630, 1390015, 1729310, 1996567, 2780030, 3993134, 9982835, 19965670, 21962237, 43924474, 109811185, 219622370]

約数ペア:

[(1, 219622370), (2, 109811185), (5, 43924474), (10, 21962237), (11, 19965670), (22, 9982835), (55, 3993134), (79, 2780030), (110, 1996567), (127, 1729310), (158, 1390015), (199, 1103630), (254, 864655), (395, 556006), (398, 551815), (635, 345862), (790, 278003), (869, 252730), (995, 220726), (1270, 172931), (1397, 157210), (1738, 126365), (1990, 110363), (2189, 100330), (2794, 78605), (4345, 50546), (4378, 50165), (6985, 31442), (8690, 25273), (10033, 21890), (10945, 20066), (13970, 15721)]