201485680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228961}}^1$

素因数の和:228985

約数の個数: 40

約数和(自身を含む): 511043184

約数和(自身を除く): 309557504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228961, 457922, 915844, 1144805, 1831688, 2289610, 2518571, 3663376, 4579220, 5037142, 9158440, 10074284, 12592855, 18316880, 20148568, 25185710, 40297136, 50371420, 100742840, 201485680]

約数ペア:

[(1, 201485680), (2, 100742840), (4, 50371420), (5, 40297136), (8, 25185710), (10, 20148568), (11, 18316880), (16, 12592855), (20, 10074284), (22, 9158440), (40, 5037142), (44, 4579220), (55, 3663376), (80, 2518571), (88, 2289610), (110, 1831688), (176, 1144805), (220, 915844), (440, 457922), (880, 228961)]