158840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:60

約数の個数: 48

約数和(自身を含む): 411480

約数和(自身を除く): 252640

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 361, 380, 418, 440, 722, 760, 836, 1045, 1444, 1672, 1805, 2090, 2888, 3610, 3971, 4180, 7220, 7942, 8360, 14440, 15884, 19855, 31768, 39710, 79420, 158840]

約数ペア:

[(1, 158840), (2, 79420), (4, 39710), (5, 31768), (8, 19855), (10, 15884), (11, 14440), (19, 8360), (20, 7942), (22, 7220), (38, 4180), (40, 3971), (44, 3610), (55, 2888), (76, 2090), (88, 1805), (95, 1672), (110, 1444), (152, 1045), (190, 836), (209, 760), (220, 722), (361, 440), (380, 418)]