220122968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 455051520

約数和(自身を除く): 234928552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 131, 151, 214, 262, 302, 428, 524, 604, 856, 1048, 1208, 1391, 1703, 1963, 2782, 3406, 3926, 5564, 6812, 7852, 11128, 13624, 14017, 15704, 16157, 19781, 28034, 32314, 39562, 56068, 64628, 79124, 112136, 129256, 158248, 182221, 210041, 257153, 364442, 420082, 514306, 728884, 840164, 1028612, 1457768, 1680328, 2057224, 2116567, 4233134, 8466268, 16932536, 27515371, 55030742, 110061484, 220122968]

約数ペア:

[(1, 220122968), (2, 110061484), (4, 55030742), (8, 27515371), (13, 16932536), (26, 8466268), (52, 4233134), (104, 2116567), (107, 2057224), (131, 1680328), (151, 1457768), (214, 1028612), (262, 840164), (302, 728884), (428, 514306), (524, 420082), (604, 364442), (856, 257153), (1048, 210041), (1208, 182221), (1391, 158248), (1703, 129256), (1963, 112136), (2782, 79124), (3406, 64628), (3926, 56068), (5564, 39562), (6812, 32314), (7852, 28034), (11128, 19781), (13624, 16157), (14017, 15704)]