2217680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1491

約数の個数: 40

約数和(自身を含む): 5431200

約数和(自身を除く): 3213520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1459, 1520, 2918, 5836, 7295, 11672, 14590, 23344, 27721, 29180, 55442, 58360, 110884, 116720, 138605, 221768, 277210, 443536, 554420, 1108840, 2217680]

約数ペア:

[(1, 2217680), (2, 1108840), (4, 554420), (5, 443536), (8, 277210), (10, 221768), (16, 138605), (19, 116720), (20, 110884), (38, 58360), (40, 55442), (76, 29180), (80, 27721), (95, 23344), (152, 14590), (190, 11672), (304, 7295), (380, 5836), (760, 2918), (1459, 1520)]