165390440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{217619}}^1$

素因数の和:217649

約数の個数: 32

約数和(自身を含む): 391716000

約数和(自身を除く): 226325560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 217619, 435238, 870476, 1088095, 1740952, 2176190, 4134761, 4352380, 8269522, 8704760, 16539044, 20673805, 33078088, 41347610, 82695220, 165390440]

約数ペア:

[(1, 165390440), (2, 82695220), (4, 41347610), (5, 33078088), (8, 20673805), (10, 16539044), (19, 8704760), (20, 8269522), (38, 4352380), (40, 4134761), (76, 2176190), (95, 1740952), (152, 1088095), (190, 870476), (380, 435238), (760, 217619)]