230840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 540000

約数和(自身を除く): 309160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 199, 232, 290, 398, 580, 796, 995, 1160, 1592, 1990, 3980, 5771, 7960, 11542, 23084, 28855, 46168, 57710, 115420, 230840]

約数ペア:

[(1, 230840), (2, 115420), (4, 57710), (5, 46168), (8, 28855), (10, 23084), (20, 11542), (29, 7960), (40, 5771), (58, 3980), (116, 1990), (145, 1592), (199, 1160), (232, 995), (290, 796), (398, 580)]