190904360

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{22619}}^1$

素因数の和:22841

約数の個数: 32

約数和(自身を含む): 431589600

約数和(自身を除く): 240685240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 22619, 45238, 90476, 113095, 180952, 226190, 452380, 904760, 4772609, 9545218, 19090436, 23863045, 38180872, 47726090, 95452180, 190904360]

約数ペア:

[(1, 190904360), (2, 95452180), (4, 47726090), (5, 38180872), (8, 23863045), (10, 19090436), (20, 9545218), (40, 4772609), (211, 904760), (422, 452380), (844, 226190), (1055, 180952), (1688, 113095), (2110, 90476), (4220, 45238), (8440, 22619)]