109171720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20521}}^1$

素因数の和:20558

約数の個数: 64

約数和(自身を含む): 295516800

約数和(自身を除く): 186345080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 20521, 41042, 82084, 102605, 143647, 164168, 205210, 287294, 389899, 410420, 574588, 718235, 779798, 820840, 1149176, 1436470, 1559596, 1949495, 2729293, 2872940, 3119192, 3898990, 5458586, 5745880, 7797980, 10917172, 13646465, 15595960, 21834344, 27292930, 54585860, 109171720]

約数ペア:

[(1, 109171720), (2, 54585860), (4, 27292930), (5, 21834344), (7, 15595960), (8, 13646465), (10, 10917172), (14, 7797980), (19, 5745880), (20, 5458586), (28, 3898990), (35, 3119192), (38, 2872940), (40, 2729293), (56, 1949495), (70, 1559596), (76, 1436470), (95, 1149176), (133, 820840), (140, 779798), (152, 718235), (190, 574588), (266, 410420), (280, 389899), (380, 287294), (532, 205210), (665, 164168), (760, 143647), (1064, 102605), (1330, 82084), (2660, 41042), (5320, 20521)]